Menu
Account
Toggle Nav
Search
Search
Advanced Search
links
  • Contact Us
  • Compare ()
  • Sign In
  • Create an Account
Cart 0

Search results for: '电动捕鱼『wn4.com』w1n2c3o.2022年10月8日4时8分23秒.nev8qxkyu'

Set Ascending Direction
View as List Grid

411 items

Page
per page
  1. Tube Holder Collar Clip, for 1/4" OD, 1/8" ID Tubing (pkg of 10)
    Part Number
    800066-10
    Tube Holder Collar Clip, for 1/4" OD, 1/8" ID Tubing (pkg of 10) Learn More
    $59.50
  2. Tube Holder Collar Clip, for 3/8" OD, 1/4" ID Tubing (pkg of 10)
    Part Number
    800142-10
    Tube Holder Collar Clip, for 3/8" OD, 1/4" ID Tubing (pkg of 10) Learn More
    $53.00
  3. Tube Holder Collar Clips
    Part Number
    SEN-HLDR-CLR-CLP
    Sensidyne Tube Hodler Collar Clips Learn More

    Starting at $10.00

  4. Tube Holder Collar Clip, for 3/8" OD, 1/4" ID Tubing
    Part Number
    800142
    Tube Holder Collar Clip, for 3/8" OD, 1/4" ID Tubing Learn More
    $10.00
  5. Tube Holder Collar Clip, for 1/4" OD, 1/8" ID Tubing
    Part Number
    800066
    Tube Holder Collar Clip, for 1/4" OD, 1/8" ID Tubing Learn More
    $10.00
  6. 1/8 Inch ID Tubing - 10 Foot Length
    Part Number
    200504
    Tubing, 1/8" ID x 1/16" W, Clear PVC, (10 ft) Learn More
    $15.50
  7. Filter Media – Glass Fiber, Binderless, 1.1µm, 8" X 10", 100/Pk
    Part Number
    GFG858x10
    Filter Media for Air Sampling Cassettes – Glass Fiber, Binderless, 1.1µm, 8" X 10", 100/Pk Learn More
    $541.25
  8. Tube Holder Collar Clip, for 1/2" OD, 3/8" ID Tubing (pkg of 10)
    Part Number
    800135-10
    Tube Holder Collar Clip, for 1/2" OD, 3/8" ID Tubing (pkg of 10) Learn More
    $53.00
  9. Tube Holder Collar Clip, for 5/8" OD, 1/2" ID Tubing (pkg of 10)
    Part Number
    800136-10
    Tube Holder Collar Clip, for 5/8" OD, 1/2" ID Tubing (pkg of 10) Learn More
    $57.25
  10. Hydrogen Cyanide Gas Detector Tube for 0.3-8 ppm
    Part Number
    112SC-HCN
    0.3-8 ppm Range Gas Detector Tube for Measuring Hydrogen Cyanide Learn More
    $102.00
  11. Tube Holder Adapters
    Part Number
    SEN-TUBE-HLDER-ADP
    Sensidyne Tube Holder Adapters Learn More

    Starting at $15.50

  12. Tube Holder Adapter for 5/8" Ends
    Part Number
    800138
    Tube Holder Adapter for 5/8" Ends Learn More
    $23.25
  13. Soap Solution, Flow Cell (8 oz.), Gilibrator/Gilibrator-2
    Part Number
    800450
    Soap Solution, Flow Cell (8 oz.), Gilibrator/Gilibrator-2 Learn More
    $51.75
  14. 1/8 Inch ID Tubing - 3 Foot Length
    Part Number
    200505
    Tubing, 1/8" ID x 1/16" W, Clear PVC, (3 ft) Learn More
    $11.00
  15. 3/8 Inch ID Tubing - 3 Foot Length
    Part Number
    811-1501-01
    Tubing, 3/8" ID (3 ft), Clear Vinyl for Gilian 10i & Gilian 12 Learn More
    $34.25
  16. Tube Holder Collar Clip, for 1/2" OD, 3/8" ID Tubing
    Part Number
    800135
    Tube Holder Collar Clip, for 1/2" OD, 3/8" ID Tubing Learn More
    $10.00
  17. Tube Holder Collar Clip, for 5/8" OD, 1/2" ID Tubing
    Part Number
    800136
    Tube Holder Collar Clip, for 5/8" OD, 1/2" ID Tubing Learn More
    $13.25
  18. 1/4 Inch ID Tubing - 3 Foot Length with Barb
    Part Number
    800159
    Tubing, 1/8" ID x 1/16" W, Clear PVC with barbed adapter to 1/4" ID (3 ft) GilAir Learn More
    $16.50
  19. Chloroform Gas Detector Tube for 23-500 ppm
    Part Number
    152S-CHLOROFORM
    23-500 ppm Range Gas Detector Tube for Measuring Chloroform Learn More
    $89.50
  20. 4-Hour Battery Pack (Can be Stacked)
    Part Number
    801001
    Battery Pack, Aircon-2 Lead Acid Gel - 4-hour, requires power module to charge (Note: May stack two for 8-hour operation) Learn More
    $625.00
  21. Tube Holder Tubing, 1/4" ID x 1/16" W (10 ft)
    Part Number
    200486
    Tube Holder Tubing, 1/4" ID x 1/16" W (10 ft) Learn More
    $20.00
  22. Tetrahydrothiophene Gas Detector Tube for 4-100 ppm
    Part Number
    190U-TETRAHYDROTHIOPHENE
    4-100 ppm Range Gas Detector Tube for Measuring Tetrahydrothiophene Learn More
    $102.00
  23. 2-Butanol Gas Detector Tube for 4-300 ppm
    Part Number
    189U-2-BUTANOL
    4-300 ppm Range Gas Detector Tube for Measuring 2-Butanol Learn More
    $102.00
  24. Mineral Turpentine Gas Detector Tube for 4-200 ppm
    Part Number
    111U-MINERAL-TURPENTINE
    4-200 ppm Range Gas Detector Tube for Measuring Mineral Turpentine Learn More
    $102.00
  25. Hydrogen Sulphide Gas Detector Tube for 0.25-4 gr/100cf
    Part Number
    120GT-H2S
    0.25-4 gr/100cf Range Gas Detector Tube for Measuring Hydrogen Sulphide Learn More
    $89.50
  26. Free-Standing Rotameter Options
    Part Number
    SEN-FREESTND-ROTAMETER
    Free-Standing Rotameter Select Options Learn More
    As low as $43.00
  27. Nephelometer PM-4 Impactor Replacement
    Part Number
    811-1004-04
    Nephelometer PM-4 Impactor, Replacement Learn More
    $269.50
  28. Trichlorotoluene Gas Detector Tube for 0.2-4 ppm
    Part Number
    132SC-TRICHLOROTOLUENE
    0.2-4 ppm Range Gas Detector Tube for Measuring Trichlorotoluene Learn More
    $89.50
  29. Tube Holder Adapter, 3/16" to 1/4" Ends
    Part Number
    200187
    Tube Holder Adapter, 3/16" to 1/4" Ends Learn More
    $15.50
  30. 1/4 Inch ID Tubing - by the Foot Length
    Part Number
    6667-6206
    Tubing, 1/4" ID x 1/16" W, Clear Vinyl (per foot) Learn More
    $6.75
  31. Tube Holder Accessories
    Part Number
    SEN-HLDR-ACCRY
    Sensidyne Tube Holder Accessories Learn More

    Starting at $10.00

  32. 1/4 Inch ID Tubing - 3 Foot Length
    Part Number
    200484
    Tubing, 1/4" ID x 1/16" W (3 ft), Clear Vinyl, GilAir-3/GilAir-5/HFS Learn More
    $13.25
  33. Impinger, Moisture Trap, Plastic, with 1/4" ID tubing (3 ft) (98 ml)
    Part Number
    800217
    Impinger, Moisture Trap, Plastic, with 1/4" ID tubing (3 ft) (98 ml) Learn More
    $135.50
  34. Hydrogen Sulfide (H2S) EC, ND 0–10 ppm FM
    Part Number
    823-0206-23
    Hydrogen Sulfide (H2S) EC, ND 0–10 ppm FM Sensor Learn More
    $481.00
  35. Pre-loaded Cassettes
    Part Number
    SEN-PRE-LOAD-CSSTE
    Sensidyne Pre-Loaded Cassettes - select a configuration
    Learn More
    As low as $72.75
  36. FSP-10 Large Capacity Size Selection Cyclone
    Part Number
    SEN-FSP-CYC
    FSP-10 Large Capacity Size Selection Cyclone Learn More

    Starting at $511.50

  37. Acrolein Gas Detector Tube for 0.005-1.8 %
    Part Number
    136-ACROLEIN
    0.005-1.8 % Range Gas Detector Tube for Measuring Acrolein Learn More
    $89.50
  38. Gas Sampling Bags
    Part Number
    SEN-GAS-SAMPLING-BAG
    Sensidyne Gas Sampling Bags - Select a Size and Material
    Learn More
    As low as $34.25
  39. Trichloroethylene Gas Detector Tube for 0.2-36.8 ppm
    Part Number
    134SB-TRICHLOROETHYLENE
    0.2-36.8 ppm Range Gas Detector Tube for Measuring Trichloroethylene Learn More
    $102.00
  40. Aircon-2 Area Air Sampling Pump
    Part Number
    SEN-AIRCON2
    AirCon-2 Programmable Area Air Sampling Pump Learn More

    Starting at $7.75

  41. Water Vapour Gas Detector Tube for 1.7-33.8 mg/L
    Part Number
    177SA-WATER-VAPOUR
    1.7-33.8 mg/L Range Gas Detector Tube for Measuring Water Vapour Learn More
    $89.50
  42. Filter Media – MCE, 0.8µm, 37mm, 100/Pk
    Part Number
    GF37080
    Filter Media for Air Sampling Cassettes – MCE, 0.8µm, 37mm, 100/Pk Learn More
    $92.25
  43. Filter Media – MCE, 0.8µm, 47mm, 100/Pk
    Part Number
    GF47080
    Filter Media for Air Sampling Cassettes – MCE, 0.8µm, 47mm, 100/Pk Learn More
    $127.75
  44. Ammonia Gas Detector Tube for 0.5-10 %
    Part Number
    105SA-AMMONIA
    0.5-10 % Range Gas Detector Tube for Measuring Ammonia Learn More
    $89.50
  45. Hazmat Service Contract
    Part Number
    930-1001-01
    Hazmat Tubes 2-yr Service Contract Learn More
    $1,736.75
  46. FSP-10 Large Capacity Cyclone
    Part Number
    811-9931-01
    FSP-10 Large Capacity Cyclone (10 LPM Respirable-Europe & 11.2 LPM Respirable US-NIOSH) Learn More
    $765.75
  47. Toluene Gas Detector Tube for 10-500 ppm
    Part Number
    124SA-TOLUENE
    10-500 ppm Range Gas Detector Tube for Measuring Toluene Learn More
    $89.50
  48. Acrylonitrile Gas Detector Tube for 10-500 ppm
    Part Number
    128SB-ACRYLONITRILE
    10-500 ppm Range Gas Detector Tube for Measuring Acrylonitrile Learn More
    $89.50
  49. Naphthalene Gas Detector Tube for 10-100 ppm
    Part Number
    153U-NAPHTHALENE
    10-100 ppm Range Gas Detector Tube for Measuring Naphthalene Learn More
    $102.00
  50. Cassette, Carpet Sampling, 10/bx
    Part Number
    GCCS10
    Cassette, Carpet Sampling, 10/bx Learn More
    $67.25
  51. Pre-loaded Cassettes 37mm 2 pc 0.8µm POLYCARBONATE 50/bx
    Part Number
    GC728PC
    Cassette 37mm, 2 pc, 0.8µm POLYCARBONATE, 50/bx Learn More
    $254.25
  52. Pre-loaded Cassettes 37mm 3 pc 0.8µm POLYCARBONATE 50/bx
    Part Number
    GC738PC
    Cassette 37mm, 3 pc, 0.8µm POLYCARBONATE, 50/bx Learn More
    $254.25
  53. Hydrogen Gas Detector Tube for 0.05-0.8 %
    Part Number
    137U-H
    0.05-0.8 % Range Gas Detector Tube for Measuring Hydrogen Learn More
    $102.00
  54. Pyridine Gas Detector Tube for 0.5-10 ppm
    Part Number
    105SD-PYRIDINE
    0.5-10 ppm Range Gas Detector Tube for Measuring Pyridine Learn More
    $89.50
  55. Tetrachloroethylene Gas Detector Tube for 0.2-10 ppm
    Part Number
    135SB-TETRACHLOROETHYLENE
    0.2-10 ppm Range Gas Detector Tube for Measuring Tetrachloroethylene Learn More
    $102.00
  56. Hydrazine Gas Detector Tube for 0.05-10 ppm
    Part Number
    219S-HYDRAZINE
    0.05-10 ppm Range Gas Detector Tube for Measuring Hydrazine Learn More
    $89.50
  57. Box of 10 Smoke Tubes
    Part Number
    5100
    Smoke tubes, box of 10 tubes. Learn More
    $57.25
  58. Filter Media – 25mm, 0.8µm, Polycarbonate, Plain White, 100/Pk
    Part Number
    GFPC825
    Filter Media for Air Sampling Cassettes – 25mm, 0.8µm, Polycarbonate, Plain White, 100/Pk Learn More
    $193.75
  59. Filter Media – 37mm, 0.8µm, Polycarbonate, Plain White, 100/Pk
    Part Number
    GFPC837
    Filter Media for Air Sampling Cassettes – 37mm, 0.8µm, Polycarbonate, Plain White, 100/Pk Learn More
    $266.25
  60. Nephelometer PM-10 Impactor Replacement
    Part Number
    811-1004-02
    Nephelometer PM-10 Impactor Replacement Learn More
    $269.50
  61. Ethyl Benzene Gas Detector Tube for 10-500 ppm
    Part Number
    179S-ETHYL-BENZENE
    10-500 ppm Range Gas Detector Tube for Measuring Ethyl Benzene Learn More
    $89.50
  62. Methyl Methacrylate Gas Detector Tube for 10-160 ppm
    Part Number
    184S-METHYL-METHACRYLATE
    10-160 ppm Range Gas Detector Tube for Measuring Methyl Methacrylate Learn More
    $102.00
  63. Isopentyl Acetate Gas Detector Tube for 10-400 ppm
    Part Number
    188U-ISOPENTYL-ACETATE
    10-400 ppm Range Gas Detector Tube for Measuring Isopentyl Acetate Learn More
    $102.00
  64. Diacetone Alcohol Gas Detector Tube for 10-250 ppm
    Part Number
    190U-DIACETONE-ALCOHOL
    10-250 ppm Range Gas Detector Tube for Measuring Diacetone Alcohol Learn More
    $102.00
  65. Methyl Styrene Gas Detector Tube for 10-500 ppm
    Part Number
    193S-METHYL-STYRENE
    10-500 ppm Range Gas Detector Tube for Measuring Methyl Styrene Learn More
    $89.50
  66. Pentyl Acetate Gas Detector Tube for 10-200 ppm
    Part Number
    210U-PENTYL-ACETATE
    10-200 ppm Range Gas Detector Tube for Measuring Pentyl Acetate Learn More
    $102.00
  67. P-Dichlorobenzene Gas Detector Tube for 10-150 ppm
    Part Number
    215S-P-DICHLOROBENZENE
    10-150 ppm Range Gas Detector Tube for Measuring P-Dichlorobenzene Learn More
    $89.50
  68. Carbon Monoxide Gas Detector Tube for 10-250 ppm
    Part Number
    106S-CO
    10-250 ppm Range Gas Detector Tube for Measuring Carbon Monoxide Learn More
    $89.50
  69. Diethyl Benzene Gas Detector Tube for 10-180 ppm
    Part Number
    111U-DIETHYL-BENZENE
    10-180 ppm Range Gas Detector Tube for Measuring Diethyl Benzene Learn More
    $102.00
  70. N-Undecane Gas Detector Tube for 10-140 ppm
    Part Number
    111U-N-UNDECANE
    10-140 ppm Range Gas Detector Tube for Measuring N-Undecane Learn More
    $102.00
  71. Butyl Acetate Gas Detector Tube for 10-400 ppm
    Part Number
    138U-BUTYL-ACETATE
    10-400 ppm Range Gas Detector Tube for Measuring Butyl Acetate Learn More
    $102.00
  72. Isobutyl Acetate Gas Detector Tube for 10-400 ppm
    Part Number
    153U-ISOBUTYL-ACETATE
    10-400 ppm Range Gas Detector Tube for Measuring Isobutyl Acetate Learn More
    $102.00
  73. Tube Holder Coupling (pkg of 10)
    Part Number
    800165-10
    Tube Holder Coupling (pkg of 10) Learn More
    $69.50
  74. Butyl Cellosolve Gas Detector Tube for 10-1,000 ppm
    Part Number
    190U-BUTYL-CELLOSOLVE
    10-1,000 ppm Range Gas Detector Tube for Measuring Butyl Cellosolve Learn More
    $102.00
  75. Sulphur Dioxide Gas Detector Tube for 0.25-10 ppm
    Part Number
    103SE-SULPHUR-DIOXIDE
    0.25-10 ppm Range Gas Detector Tube for Measuring Sulphur Dioxide Learn More
    was $89.50 Special Price $86.00
  76. Ethyl Acetate Gas Detector Tube for 10-1,000 ppm
    Part Number
    111U-ETHYL-ACETATE
    10-1,000 ppm Range Gas Detector Tube for Measuring Ethyl Acetate Learn More
    $102.00
  77. Isopropyl Acetate Gas Detector Tube for 10-1,000 ppm
    Part Number
    111U-ISOPROPYL-ACETATE
    10-1,000 ppm Range Gas Detector Tube for Measuring Isopropyl Acetate Learn More
    $102.00
  78. Butyl Ether Gas Detector Tube for 10-1,200 ppm
    Part Number
    111U-BUTYL-ETHER
    10-1,200 ppm Range Gas Detector Tube for Measuring Butyl Ether Learn More
    $102.00
  79. Ethyl Mercaptan Gas Detector Tube for 0.5-10 ppm
    Part Number
    130U-ETHYL-MERCAPTAN
    0.5-10 ppm Range Gas Detector Tube for Measuring Ethyl Mercaptan Learn More
    $102.00
  80. Isopropyl Mercaptan Gas Detector Tube for 0.5-10 ppm
    Part Number
    130U-ISOPROPYL-MERCAPTAN
    0.5-10 ppm Range Gas Detector Tube for Measuring Isopropyl Mercaptan Learn More
    $102.00
  81. Sulphide Ion Gas Detector Tube for 0.5-10 ppm
    Part Number
    200SB-SULPHIDE-ION
    0.5-10 ppm Range Gas Detector Tube for Measuring Sulphide Ion Learn More
    $89.50
  82. Chloride Ion Gas Detector Tube for 10-2,000 ppm
    Part Number
    201SA-CHLORIDE-ION
    10-2,000 ppm Range Gas Detector Tube for Measuring Chloride Ion Learn More
    $89.50
  83. Methyl Mercaptan Gas Detector Tube for 0.5-10 ppm
    Part Number
    130U-METHYL-MERCAPTAN
    0.5-10 ppm Range Gas Detector Tube for Measuring Methyl Mercaptan Learn More
    $89.50
  84. Dichloromethane Gas Detector Tube for 10-1,000 ppm
    Part Number
    180S-DICHLOROMETHANE
    10-1,000 ppm Range Gas Detector Tube for Measuring Dichloromethane Learn More
    $89.50
  85. Cassette, Air-O-Cell 10/bx
    Part Number
    GCAOC10
    Cassette, Air-O-Cell 10/bx Learn More
    $133.25
  86. Filter Media – MCE, 0.8µm, 25mm, Pcm, No Grid, 100/Pk
    Part Number
    GF25080
    Filter Media for Air Sampling Cassettes – MCE, 0.8µm, 25mm, Pcm, No Grid, 100/Pk Learn More
    $72.75
  87. Carbon Disulphide Gas Detector Tube for 0.8-50 ppm
    Part Number
    141SB-CARBON-DISULPHIDE
    0.8-50 ppm Range Gas Detector Tube for Measuring Carbon Disulphide Learn More
    $89.50
  88. Mitc(Methyl Isothiocyanate) Gas Detector Tube for 10-200 ppm
    Part Number
    111U-MITCMETHYL-ISOTHIOCYANATE
    10-200 ppm Range Gas Detector Tube for Measuring Mitc(Methyl Isothiocyanate) Learn More
    $102.00
  89. Methyl Bromide Gas Detector Tube for 10-500 ppm
    Part Number
    157SA-METHYL-BROMIDE
    10-500 ppm Range Gas Detector Tube for Measuring Methyl Bromide Learn More
    $89.50
  90. 1-Bromopropane Gas Detector Tube for 10-500 ppm
    Part Number
    157SA-1-BROMOPROPANE
    10-500 ppm Range Gas Detector Tube for Measuring 1-Bromopropane Learn More
    $89.50
  91. 2-Bromopropane Gas Detector Tube for 10-500 ppm
    Part Number
    157SA-2-BROMOPROPANE
    10-500 ppm Range Gas Detector Tube for Measuring 2-Bromopropane Learn More
    $89.50
  92. Tert-Butyl Mercaptan Gas Detector Tube for 0.5-10 ppm
    Part Number
    130U-TERT-BUTYL-MERCAPTAN
    0.5-10 ppm Range Gas Detector Tube for Measuring Tert-Butyl Mercaptan Learn More
    $102.00
  93. N-Propyl Mercaptan Gas Detector Tube for 0.5-10 ppm
    Part Number
    130U-N-PROPYL-MERCAPTAN
    0.5-10 ppm Range Gas Detector Tube for Measuring N-Propyl Mercaptan Learn More
    $102.00
  94. Mitc(Methyl Isothiocyanate) Gas Detector Tube for 10-1,500 ppm
    Part Number
    245UM-MITCMETHYL-ISOTHIOCYANATE
    10-1,500 ppm Range Gas Detector Tube for Measuring Mitc(Methyl Isothiocyanate) Learn More
    $102.00
  95. M-Chlorotoluene Gas Detector Tube for 0.5-10 ppm
    Part Number
    132SC-M-CHLOROTOLUENE
    0.5-10 ppm Range Gas Detector Tube for Measuring M-Chlorotoluene Learn More
    $89.50
  96. 1,3-Dichloropropane Gas Detector Tube for 10-500 ppm
    Part Number
    194S-1-3-DICHLOROPROPANE
    10-500 ppm Range Gas Detector Tube for Measuring 1,3-Dichloropropane Learn More
    $89.50
  97. 1,3-Dichloropropane Gas Detector Tube for 1-10 ppm
    Part Number
    132SC-1-3-DICHLOROPROPANE
    1-10 ppm Range Gas Detector Tube for Measuring 1,3-Dichloropropane Learn More
    $89.50
  98. 1,1-Dichloroethane Gas Detector Tube for 10-160 ppm
    Part Number
    235SA-1-1-DICHLOROETHANE
    10-160 ppm Range Gas Detector Tube for Measuring 1,1-Dichloroethane Learn More
    $89.50
  99. 1,1,2-Trichloroethane Gas Detector Tube for 10-100 ppm
    Part Number
    236SA-1-1-2-TRICHLOROETHANE
    10-100 ppm Range Gas Detector Tube for Measuring 1,1,2-Trichloroethane Learn More
    $89.50
  100. HCN Scrubber for 128SD (bx of 10)
    Part Number
    385-0003-01
    HCN Scrubber for 128SD (bx of 10) Learn More
    $102.00
  101. 1-Methoxy-2-Propanol Gas Detector Tube for 10-500 ppm
    Part Number
    197U-1-METHOXY-2-PROPANOL
    10-500 ppm Range Gas Detector Tube for Measuring 1-Methoxy-2-Propanol Learn More
    $102.00
  102. Nephelometer Accessories and Spare Parts
    Part Number
    SEN-NEPHELOMETER
    Accessories and Spare Parts only for the Nephelometer Learn More

    Starting at $6.50

  103. Filter Media – MCE, 0.8µm 25mm, Pcm, With Black Grid Line, 100/Pk
    Part Number
    GF25080BLG
    Filter Media for Air Sampling Cassettes – MCE, 0.8µm 25mm, Pcm, With Black Grid Line, 100/Pk Learn More
    $91.50
  104. Filter Media – MCE, 0.8µm 25mm, Pcm, With Green Grid Line, 100/Pk
    Part Number
    GF25080GRG
    Filter Media for Air Sampling Cassettes – MCE, 0.8µm 25mm, Pcm, With Green Grid Line, 100/Pk Learn More
    $103.50
  105. Tube Holder Hose Barb Fitting (pkg of 10)
    Part Number
    800170-10
    Tube Holder Hose Barb Fitting (pkg of 10) Learn More
    $53.00
  106. Extension Hose (10 meter) for AP-20S pump
    Part Number
    830-1002-01
    Extension Hose (10 meter) for AP-20S pump Learn More
    $270.00
  107. Sorbent Tube, Chromosorb-106, 10x150mm, 600/300mg, 10/Box
    Part Number
    811-9988-10
    Sorbent Tube, Chromosorb-106, 10x150mm, 600/300mg, 10/Box Learn More
    $839.50
  108. Bromine (Br2) EC, D 0–10 ppm FM
    Part Number
    823-0222-21
    Bromine (Br2) EC, D 0–10 ppm FM Sensor Learn More
    $880.00
  109. Replacement Inlet Filter 10 PK
    Part Number
    201050-10
    Inlet Filter, Replacement (Packg of 10), GilAir-3/GilAir-5/BDX-II (Pack of 10) Learn More
    $22.00
  110. Special Pre-loaded Cassettes
    Part Number
    SEN-SPECIAL-PRELD-CSST
    Sensidyne Special Pre-Loaded Cassettes Learn More

    Starting at $7.75

  111. Oxygen And Carbon Dioxide Gas Detector Tube for O2; 2-10 %; CO2; 1-20 %
    Part Number
    281S-OXYGEN+CO2
    O2; 2-10 %; CO2; 1-20 % Range Gas Detector Tube for Measuring Oxygen And Carbon Dioxide Learn More
    $102.00
  112. Tube Holder Tubing, 3/16" ID x 1/16" W (10 ft)
    Part Number
    200524
    Tube Holder Tubing, 3/16" ID x 1/16" W (10 ft) Learn More
    $18.75
  113. Nitro-Oxide Compound Gas Detector Tube for NO; 10-300 ppm; NO2; 1-40 ppm
    Part Number
    174A-NITRO-OXIDE-COMPOUND
    NO; 10-300 ppm; NO2; 1-40 ppm Range Gas Detector Tube for Measuring Nitro-Oxide Compound Learn More
    $89.50
  114. Tube Holder Collar Clip, for 7/16" OD, 5/16" ID Tubing (pkg of 10)
    Part Number
    800134-10
    Tube Holder Collar Clip, for 7/16" OD, 5/16" ID Tubing (pkg of 10) Learn More
    $53.00
  115. Chlorine, Cl2, 10 ppm in Nitrogen (58 SL)
    Part Number
    009824-44
    Chlorine, Cl2, 10 ppm in Nitrogen (58 SL) Calibration Gas for Sensidyne Fixed Gas Detection Systems Learn More
    $558.00
  116. Hydrogen Chloride, HCl, 10 ppm in Nitrogen (58SL)
    Part Number
    009824-37
    Hydrogen Chloride, HCl, 10 ppm in Nitrogen (58SL) Calibration Gas for Sensidyne Fixed Gas Detection Systems Learn More
    $554.00
  117. Hydrogen Cyanide, HCN, 10 ppm in Nitrogen (58SL)
    Part Number
    009824-54
    Hydrogen Cyanide, HCN, 10 ppm in Nitrogen (58SL) Calibration Gas for Sensidyne Fixed Gas Detection Systems Learn More
    $576.00
  118. Hydrogen Sulfide, H2S, 10 ppm in Nitrogen (58SL)
    Part Number
    009824-9
    Hydrogen Sulfide, H2S, 10 ppm in Nitrogen (58SL) Calibration Gas for Sensidyne Fixed Gas Detection Systems Learn More
    $271.00
  119. Nitrogen Dioxide, NO2, 10 ppm in Nitrogen (103SL)
    Part Number
    009824-36
    Nitrogen Dioxide, NO2, 10 ppm in Nitrogen (103SL) Calibration Gas for Sensidyne Fixed Gas Detection Systems Learn More
    $564.00
  120. Sulfur Dioxide, SO2, 10 ppm in Nitrogen (58SL)
    Part Number
    009824-39
    Sulfur Dioxide, SO2, 10 ppm in Nitrogen (58SL) Calibration Gas for Sensidyne Fixed Gas Detection Systems Learn More
    $278.00
  121. Nitro-Oxide Compound-In Flue Gas Gas Detector Tube for NO; 10-300 ppm; NO2; 1-40 ppm
    Part Number
    174B-NITRO-OXIDE-COMPOUND-FLUE-GAS
    NO; 10-300 ppm; NO2; 1-40 ppm Range Gas Detector Tube for Measuring Nitro-Oxide Compound-In Flue Gas Learn More
    $89.50
  122. Impingers
    Part Number
    SEN-IMPGR
    Gilian Impingers Learn More

    Starting at $47.50

  123. 2,2,4-Trimethyl Pentane Gas Detector Tube for 100-4,000 ppm
    Part Number
    113SB-2-2-4-TRIMETHYL-PENTANE
    100-4,000 ppm Range Gas Detector Tube for Measuring 2,2,4-Trimethyl Pentane Learn More
    $89.50
  124. Gilibrator-2 Primary Calibrator
    Part Number
    SEN-GILIBRATOR2
    Gilibrator-2 air flow calibrator – Primary Calibrator per NIOSH definition. Learn More
    As low as $2,035.00
  125. 1,4-Dioxane Gas Detector Tube for 0.05-2.5 %
    Part Number
    139SB-1-4-DIOXANE
    0.05-2.5 % Range Gas Detector Tube for Measuring 1,4-Dioxane Learn More
    $89.50
  126. 1,4-Dioxane Gas Detector Tube for 20-500 ppm
    Part Number
    119U-1-4-DIOXANE
    20-500 ppm Range Gas Detector Tube for Measuring 1,4-Dioxane Learn More
    $102.00
  127. Dorr-Oliver Size Selection Cyclone
    Part Number
    SEN-DORR-OLIVER
    Dorr-Oliver Size Selection Cyclone – US-ACGIH Respirable Curve: 50% cut at 4 microns Learn More

    Starting at $13.25

  128. 1,2,4-Trimethyl Benzene Gas Detector Tube for 20-250 ppm
    Part Number
    111U-1-2-4-TRIMETHYL-BENZENE
    20-250 ppm Range Gas Detector Tube for Measuring 1,2,4-Trimethyl Benzene Learn More
    $102.00
  129. Acetone Gas Detector Tube for 0.01-4.0 %
    Part Number
    102SC-ACETONE
    0.01-4.0 % Range Gas Detector Tube for Measuring Acetone Learn More
    $89.50
  130. Formaldehyde Gas Detector Tube for 0.05-4.0 ppm
    Part Number
    171SC-FORMALDEHYDE
    0.05-4.0 ppm Range Gas Detector Tube for Measuring Formaldehyde Learn More
    $89.50
  131. Ethyl Ether Gas Detector Tube for 0.04-1.4 %
    Part Number
    107SA-ETHYL-ETHER
    0.04-1.4 % Range Gas Detector Tube for Measuring Ethyl Ether Learn More
    $89.50
  132. Hydrogen Sulphide Gas Detector Tube for 0.1-4.0 %
    Part Number
    120SH-H2S
    0.1-4.0 % Range Gas Detector Tube for Measuring Hydrogen Sulphide Learn More
    $89.50
  133. Ethylene Oxide Gas Detector Tube for 0.01-4.0 %
    Part Number
    122SA-ETO
    0.01-4.0 % Range Gas Detector Tube for Measuring Ethylene Oxide Learn More
    $89.50
  134. Isobutyl Acetate Gas Detector Tube for 0.01-1.4 %
    Part Number
    139SB-ISOBUTYL-ACETATE
    0.01-1.4 % Range Gas Detector Tube for Measuring Isobutyl Acetate Learn More
    $89.50
  135. Propyl Acetate Gas Detector Tube for 0.01-1.4 %
    Part Number
    139SB-PROPYL-ACETATE
    0.01-1.4 % Range Gas Detector Tube for Measuring Propyl Acetate Learn More
    $89.50
  136. GilAir-3 Air Sampling Pump
    Part Number
    SEN-GILAIR3
    GilAir-3 personal air sampling pump - select a configuration to see what is included Learn More
    As low as $878.00
  137. GilAir-5 Air Sampling Pump
    Part Number
    SEN-GILAIR5
    Gilian GilAir-5 personal air sampling pump - select a configuration to see what is included. Learn More
    As low as $994.50
  138. Methyl Iodide Gas Detector Tube for 0.4-50 ppm
    Part Number
    176SC-METHYL-IODIDE
    0.4-50 ppm Range Gas Detector Tube for Measuring Methyl Iodide Learn More
    $89.50
  139. Carbon Dioxide Gas Detector Tube for 100-4,000 ppm
    Part Number
    126SF-CO2
    100-4,000 ppm Range Gas Detector Tube for Measuring Carbon Dioxide Learn More
    $89.50
  140. Methyl Ethyl Ketone Gas Detector Tube for 0.01-1.4 %
    Part Number
    139SB-METHYL-ETHYL-KETONE
    0.01-1.4 % Range Gas Detector Tube for Measuring Methyl Ethyl Ketone Learn More
    $89.50
  141. 1,2-Dichloroethylene Gas Detector Tube for 4.2-840 ppm
    Part Number
    145SA-1-2-DICHLOROETHYLENE
    4.2-840 ppm Range Gas Detector Tube for Measuring 1,2-Dichloroethylene Learn More
    $89.50
  142. Chlorine (Cl2) EC, ND 0–20.0 ppm
    Part Number
    823-0202-23
    Chlorine (Cl2) EC, ND 0–20.0 ppm Sensor Learn More
    $580.00
  143. Hydrogen Sulphide Gas Detector Tube for 0.025-0.4 gr/100cf
    Part Number
    120GR-H2S
    0.025-0.4 gr/100cf Range Gas Detector Tube for Measuring Hydrogen Sulphide Learn More
    $89.50
  144. Free Residual Chlorine Gas Detector Tube for 0.4-5.0 ppm
    Part Number
    234SA-FREE-RESIDUAL-CHLORINE
    0.4-5.0 ppm Range Gas Detector Tube for Measuring Free Residual Chlorine Learn More
    $89.50
  145. Carbon Monoxide (CO) EC, ND 0–100 ppm FM
    Part Number
    823-0219-23
    Carbon Monoxide (CO) EC, ND 0–100 ppm FM Sensor Learn More
    $464.00
  146. Sulfur Dioxide, H2S Filtered (SO2) EC, ND 0–100 ppm
    Part Number
    823-0218-23
    Sulfur Dioxide, H2S Filtered (SO2) EC, ND 0–100 ppm Sensor Learn More
    $636.00
  147. Single Variable Manifold Tube Holder Kit
    Part Number
    SEN-MANFLD-KT
    Single Variable Manifold Tube Holder Kits - Select from Options Learn More
    As low as $136.50
  148. Sulfur Dioxide, SO2, 5 ppm in Nitrogen (58SL)
    Part Number
    009824-8
    Sulfur Dioxide, SO2, 5 ppm in Nitrogen (58SL) Calibration Gas for Sensidyne Fixed Gas Detection Systems Learn More
    $277.00
  149. Gilian 12 Air Sampling Pump
    Part Number
    SEN-GILIAN-12
    Gilian 12 persona air sampling pump - select a configuration to see what is included. Learn More
    As low as $1,850.25
  150. User Manual and Software CD for Deluxe Nephelometer, TSP, PM2.5, PM4.0, PM10
    Part Number
    360-0201-01
    User Manual and Software CD for Deluxe Nephelometer, TSP, PM-2.5, PM-4.0 & PM-10 Learn More
    $10.00
  151. Filter Media – 47mm, 0.4µm, Polycarbonate, Plain White, 100/Pk
    Part Number
    GFPC447
    Filter Media for Air Sampling Cassettes – 47mm, 0.4µm, Polycarbonate, Plain White, 100/Pk Learn More
    $290.50
  152. Filter Media – 25mm, 0.4µm, Polycarbonate, Plain White, 100/Pk
    Part Number
    GFPC4525
    Filter Media for Air Sampling Cassettes – 25mm, 0.4µm, Polycarbonate, Plain White, 100/Pk Learn More
    $193.75
  153. Filter Media – 37mm, 0.4µm, Polycarbonate, Plain White, 100/Pk
    Part Number
    GFPC4537
    Filter Media for Air Sampling Cassettes – 37mm, 0.4µm, Polycarbonate, Plain White, 100/Pk Learn More
    $266.25
  154. Hydrogen Chloride Gas Detector Tube for 0.4-40 ppm
    Part Number
    173SB-H-CHLORIDE
    0.4-40 ppm Range Gas Detector Tube for Measuring Hydrogen Chloride Learn More
    $89.50
  155. Methyl Bromide Gas Detector Tube for 0.4-80 ppm
    Part Number
    157SB-METHYL-BROMIDE
    0.4-80 ppm Range Gas Detector Tube for Measuring Methyl Bromide Learn More
    $89.50
  156. Carbon Disulphide Gas Detector Tube for 0.1-6.4 ppm
    Part Number
    141SC-CARBON-DISULPHIDE
    0.1-6.4 ppm Range Gas Detector Tube for Measuring Carbon Disulphide Learn More
    $102.00
  157. GK2.69 Aluminum 37mm Cyclone
    Part Number
    811-9926-01
    GK2.69 Aluminum Cyclone for 37mm Cassettes (4.2 LPM Respirable & 1.6 LPM Thoracic-US) Learn More
    $564.50
  158. Gilian 10i Air Sampling Pump
    Part Number
    SEN-GILIAN-10I
    Gilian 10i air sampling pump - select a configuration to see what is included. Learn More
    As low as $1,659.00
  159. GK2.69 Size Selection Cyclone
    Part Number
    SEN-GK269
    GK2.69 Size Selection Cyclone Learn More

    Starting at $25.50

  160. Chlorine Gas Detector Tube for 0.1-10.0 ppm
    Part Number
    109SB-CHLORINE
    0.1-10.0 ppm Range Gas Detector Tube for Measuring Chlorine Learn More
    $89.50
  161. Maleic Anhydride Gas Detector Tube for 0.2-10.0 ppm
    Part Number
    216S-MALEIC-ANHYDRIDE
    0.2-10.0 ppm Range Gas Detector Tube for Measuring Maleic Anhydride Learn More
    $89.50
  162. Hydrogen Peroxide Gas Detector Tube for 0.5-10.0 ppm
    Part Number
    247S-H-PEROXIDE
    0.5-10.0 ppm Range Gas Detector Tube for Measuring Hydrogen Peroxide Learn More
    $102.00
  163. Mitc(Methyl Isothiocyanate) Gas Detector Tube for 200-10,000 ppm
    Part Number
    245UH-MITCMETHYL-ISOTHIOCYANATE
    200-10,000 ppm Range Gas Detector Tube for Measuring Mitc(Methyl Isothiocyanate) Learn More
    $102.00
  164. Mercury Vapour Gas Detector Tube for 0.1-10.0 mg/m3
    Part Number
    142S-MERCURY-VAPOUR
    0.1-10.0 mg/m3 Range Gas Detector Tube for Measuring Mercury Vapour Learn More
    $89.50
  165. Carbon Monoxide, CO, 50 ppm in Nitrogen (103 SL)
    Part Number
    009824-4
    Carbon Monoxide, CO, 50 ppm in Nitrogen (103 SL) Calibration Gas for Sensidyne Fixed Gas Detection Systems Learn More
    $248.00
  166. Fluorine (F2) EC, ND 0–10.0 ppm
    Part Number
    823-0215-21
    Fluorine (F2) EC, ND 0–10.0 ppm Sensor Learn More
    $596.00
  167. Silane (SiH4) EC, ND 0–10.0 ppm
    Part Number
    823-0214-41
    Silane (SiH4) EC, ND 0–10.0 ppm Sensor Learn More
    $855.00
  168. Chlorine (Cl2) EC, ND 0–10.0 ppm FM
    Part Number
    823-0202-21
    Chlorine (Cl2) EC, ND 0–10.0 ppm FM Sensor Learn More
    $552.00
  169. Gilibrator-2 Deluxe Diagnostic Kit with Printer, 120V
    Part Number
    800844-4
    Gilibrator-2 Deluxe Diagnostic Kit with Printer, 120V . Includes: A diagnostic calibrator panel, flowtubes and pressure gauge built into the carrying case, control base, bubble generator assembly, flow cell solution dispenser, battery charger, tubing, carrying case, calibration certificate and instruction manual. Generator Cell(s) Included: 20 cc/min to 6000 cc/min, 1 cc/min to 250 cc/min & 2 to 30 LPM Learn More
    $7,705.50
  170. Chlorine (H2S Resistant) (Cl2) EC, ND 0–10.0 ppm
    Part Number
    823-0202-41
    Chlorine (H2S Resistant) (Cl2) EC, ND 0–10.0 ppm Sensor Learn More
    $722.00
  171. Nitrogen Dioxide (NO2) EC, ND 0–10.0 ppm FM
    Part Number
    823-0221-21
    Nitrogen Dioxide (NO2) EC, ND 0–10.0 ppm FM Sensor Learn More
    $613.00
  172. Hydrogen Chloride (HCl) EC, ND 0–10.0 ppm FM
    Part Number
    823-0208-21
    Hydrogen Chloride (HCl) EC, ND 0–10.0 ppm FM Sensor Learn More
    $997.00
  173. Hydrogen Fluoride (HF) EC, D 0–10.0 ppm FM
    Part Number
    823-0207-21
    Hydrogen Fluoride (HF) EC, D 0–10.0 ppm FM Sensor Learn More
    $924.00
  174. Ethylene Oxide (ETO) (C2H4O) EC, ND 0–10.0 ppm FM
    Part Number
    823-0245-21
    Ethylene Oxide (ETO) (C2H4O) EC, ND 0–10.0 ppm FM Sensor Learn More
    $799.00
  175. 1,3-Butadiene Gas Detector Tube for 0.1-10.0 ppm
    Part Number
    168SE-1-3-BUTADIENE
    0.1-10.0 ppm Range Gas Detector Tube for Measuring 1,3-Butadiene Learn More
    $102.00
  176. 1,3-Dichloropropene Gas Detector Tube for 0.5-10.0 ppm
    Part Number
    249S-1-3-DICHLOROPROPENE
    0.5-10.0 ppm Range Gas Detector Tube for Measuring 1,3-Dichloropropene Learn More
    $89.50
  177. Sulfur Dioxide, H2S Filtered (SO2) EC, ND 0–10.0 ppm FM
    Part Number
    823-0218-22
    Sulfur Dioxide, H2S Filtered (SO2) EC, ND 0–10.0 ppm FM Sensor Learn More
    $636.00
  178. Single Tube Holder Kits
    Part Number
    SEN-TBE-HLDR-CNST
    Single Tube Holder Kits - Includes Standard and Variable Flow Tubes Select Configuration Size Learn More
    As low as $62.75
  179. Tube Holder Housings
    Part Number
    SEN-TBE-HLDR-HOUSING
    Sensidyne Tube Holder Housing Learn More
    As low as $14.50
  180. Inorganic Gas-Qualitative Gas Detector Tube
    Part Number
    131-INORGANIC-GAS-QUALITATIVE
    Gas Detector Tube for Measuring Inorganic Gas-Qualitative Learn More
    $102.00
  181. Organic Gas - Qualitative Gas Detector Tube
    Part Number
    186B-ORGANIC-GAS--QUALITATIVE
    Gas Detector Tube for Measuring Organic Gas - Qualitative Learn More
    $102.00
  182. Acetone Gas Detector Tube for 0.1-5.0 %
    Part Number
    102SA-ACETONE
    0.1-5.0 % Range Gas Detector Tube for Measuring Acetone Learn More
    $89.50
  183. Tetrahydrofuran Gas Detector Tube for 0.2-5.0 %
    Part Number
    102SA-TETRAHYDROFURAN
    0.2-5.0 % Range Gas Detector Tube for Measuring Tetrahydrofuran Learn More
    $89.50
  184. Ammonia Gas Detector Tube for 0.5-30 %
    Part Number
    105SH-AMMONIA
    0.5-30 % Range Gas Detector Tube for Measuring Ammonia Learn More
    $89.50
  185. Ammonia Gas Detector Tube for 0.1-1.0 %
    Part Number
    105SM-AMMONIA
    0.1-1.0 % Range Gas Detector Tube for Measuring Ammonia Learn More
    $89.50
  186. Gasoline Gas Detector Tube for 0.05-0.6 %
    Part Number
    110S-GASOLINE
    0.05-0.6 % Range Gas Detector Tube for Measuring Gasoline Learn More
    $89.50
  187. Isobutylene Gas Detector Tube for 0.03-2.0 %
    Part Number
    113SB-ISOBUTYLENE
    0.03-2.0 % Range Gas Detector Tube for Measuring Isobutylene Learn More
    $89.50
  188. Cyclohexane Gas Detector Tube for 0.01-0.60 %
    Part Number
    115S-CYCLOHEXANE
    0.01-0.60 % Range Gas Detector Tube for Measuring Cyclohexane Learn More
    $89.50
  189. Furan Gas Detector Tube for 0.01-2.0 %
    Part Number
    122SA-FURAN
    0.01-2.0 % Range Gas Detector Tube for Measuring Furan Learn More
    $89.50
  190. Propane Gas Detector Tube for 0.02-0.50 %
    Part Number
    125SA-PROPANE
    0.02-0.50 % Range Gas Detector Tube for Measuring Propane Learn More
    $89.50
  191. Acrylonitrile Gas Detector Tube for 0.1-3.5 %
    Part Number
    128SA-ACRYLONITRILE
    0.1-3.5 % Range Gas Detector Tube for Measuring Acrylonitrile Learn More
    $89.50
  192. Acetaldehyde Gas Detector Tube for 0.004-1.0 %
    Part Number
    133A-ACETALDEHYDE
    0.004-1.0 % Range Gas Detector Tube for Measuring Acetaldehyde Learn More
    $89.50
  193. Trichloroethylene Gas Detector Tube for 0.05-2.0 %
    Part Number
    134SG-TRICHLOROETHYLENE
    0.05-2.0 % Range Gas Detector Tube for Measuring Trichloroethylene Learn More
    $89.50
  194. Salinity Gas Detector Tube for 0.01-0.80 %
    Part Number
    205SL-SALINITY
    0.01-0.80 % Range Gas Detector Tube for Measuring Salinity Learn More
    $102.00
  195. Organic Gas Checker Gas Detector Tube
    Part Number
    186-ORGANIC-GAS-CHECKER
    PRESENCE Range Gas Detector Tube for Measuring Organic Gas Checker Learn More
    $102.00
  196. Styrene Gas Detector Tube for 2.5-300 ppm
    Part Number
    158S-STYRENE
    2.5-300 ppm Range Gas Detector Tube for Measuring Styrene Learn More
    $89.50
  197. Tetrahydrofuran Gas Detector Tube for 20-400 ppm
    Part Number
    162U-TETRAHYDROFURAN
    20-400 ppm Range Gas Detector Tube for Measuring Tetrahydrofuran Learn More
    $102.00
  198. Propylene Oxide Gas Detector Tube for 0.05-5.0 %
    Part Number
    163SA-PROPYLENE-OXIDE
    0.05-5.0 % Range Gas Detector Tube for Measuring Propylene Oxide Learn More
    $89.50
  199. Aniline Gas Detector Tube for 1-30 ppm
    Part Number
    181S-ANILINE
    1-30 ppm Range Gas Detector Tube for Measuring Aniline Learn More
    $89.50
  200. Ozone Gas Detector Tube for 50-1,000 ppm
    Part Number
    182SA-OZONE
    50-1,000 ppm Range Gas Detector Tube for Measuring Ozone Learn More
    $102.00
  201. Ozone Gas Detector Tube for 2.5-100 ppm
    Part Number
    182SB-OZONE
    2.5-100 ppm Range Gas Detector Tube for Measuring Ozone Learn More
    $89.50
  202. Ozone Gas Detector Tube for 0.025-3.0 ppm
    Part Number
    182U-OZONE
    0.025-3.0 ppm Range Gas Detector Tube for Measuring Ozone Learn More
    $102.00
  203. Cresol Gas Detector Tube for 0.5-25.0 ppm
    Part Number
    183U-CRESOL
    0.5-25.0 ppm Range Gas Detector Tube for Measuring Cresol Learn More
    $102.00
  204. Phenol Gas Detector Tube for 0.5-25.0 ppm
    Part Number
    183U-PHENOL
    0.5-25.0 ppm Range Gas Detector Tube for Measuring Phenol Learn More
    $102.00
  205. Propylene Gas Detector Tube for 50-1,000 ppm
    Part Number
    185S-PROPYLENE
    50-1,000 ppm Range Gas Detector Tube for Measuring Propylene Learn More
    $89.50
  206. Crotonaldehyde Gas Detector Tube for 2-40 ppm
    Part Number
    190U-CROTONALDEHYDE
    2-40 ppm Range Gas Detector Tube for Measuring Crotonaldehyde Learn More
    $102.00
  207. Dicyclopentadiene Gas Detector Tube for 2-60 ppm
    Part Number
    190U-DICYCLOPENTADIENE
    2-60 ppm Range Gas Detector Tube for Measuring Dicyclopentadiene Learn More
    $102.00
  208. Furfural Gas Detector Tube for 2-60 ppm
    Part Number
    190U-FURFURAL
    2-60 ppm Range Gas Detector Tube for Measuring Furfural Learn More
    $102.00
  209. Isoprene Gas Detector Tube for 1-16 ppm
    Part Number
    190U-ISOPRENE
    1-16 ppm Range Gas Detector Tube for Measuring Isoprene Learn More
    $102.00
  210. Benzaldehyde Gas Detector Tube for 5-70 ppm
    Part Number
    190U-BENZALDEHYDE
    5-70 ppm Range Gas Detector Tube for Measuring Benzaldehyde Learn More
    $102.00
  211. Cyclohexanone Gas Detector Tube for 2-100 ppm
    Part Number
    197U-CYCLOHEXANONE
    2-100 ppm Range Gas Detector Tube for Measuring Cyclohexanone Learn More
    $102.00
  212. Isophorone Gas Detector Tube for 5-80 ppm
    Part Number
    197U-ISOPHORONE
    5-80 ppm Range Gas Detector Tube for Measuring Isophorone Learn More
    $102.00
  213. Cyclohexanol Gas Detector Tube for 5-500 ppm
    Part Number
    206U-CYCLOHEXANOL
    5-500 ppm Range Gas Detector Tube for Measuring Cyclohexanol Learn More
    $102.00
  214. Acetylene Gas Detector Tube for 50-1,000 ppm
    Part Number
    101S-ACETYLENE
    50-1,000 ppm Range Gas Detector Tube for Measuring Acetylene Learn More
    $89.50
  215. Acetone Gas Detector Tube for 20-5,000 ppm
    Part Number
    102SD-ACETONE
    20-5,000 ppm Range Gas Detector Tube for Measuring Acetone Learn More
    $89.50
  216. Sulphur Dioxide Gas Detector Tube for 0.1-3.0 %
    Part Number
    103SA-SULPHUR-DIOXIDE
    0.1-3.0 % Range Gas Detector Tube for Measuring Sulphur Dioxide Learn More
    was $89.50 Special Price $86.00
  217. Sulphur Dioxide Gas Detector Tube for 0.02-0.30 %
    Part Number
    103SB-SULPHUR-DIOXIDE
    0.02-0.30 % Range Gas Detector Tube for Measuring Sulphur Dioxide Learn More
    was $89.50 Special Price $86.00
  218. Ethyl Alcohol Gas Detector Tube for 0.05-5.0 %
    Part Number
    104SA-ETHYL-ALCOHOL
    0.05-5.0 % Range Gas Detector Tube for Measuring Ethyl Alcohol Learn More
    $89.50
  219. Ammonia Gas Detector Tube for 50-900 ppm
    Part Number
    105SB-AMMONIA
    50-900 ppm Range Gas Detector Tube for Measuring Ammonia Learn More
    $89.50
  220. Ammonia Gas Detector Tube for 5-260 ppm
    Part Number
    105SC-AMMONIA
    5-260 ppm Range Gas Detector Tube for Measuring Ammonia Learn More
    $89.50
  221. Ammonia Gas Detector Tube for 0.2-20 ppm
    Part Number
    105SD-AMMONIA
    0.2-20 ppm Range Gas Detector Tube for Measuring Ammonia Learn More
    $89.50
  222. Morpholine Gas Detector Tube for 2-22 ppm
    Part Number
    105SD-MORPHOLINE
    2-22 ppm Range Gas Detector Tube for Measuring Morpholine Learn More
    $89.50
  223. Ammonia Gas Detector Tube for 1-200 ppm
    Part Number
    105SE-AMMONIA
    1-200 ppm Range Gas Detector Tube for Measuring Ammonia Learn More
    $89.50
  224. Carbon Monoxide Gas Detector Tube for 0.1-2.0 %
    Part Number
    106SH-CO
    0.1-2.0 % Range Gas Detector Tube for Measuring Carbon Monoxide Learn More
    $89.50
  225. Chlorine Gas Detector Tube for 1-40 ppm
    Part Number
    109SA-CHLORINE
    1-40 ppm Range Gas Detector Tube for Measuring Chlorine Learn More
    $89.50
  226. Chlorine Gas Detector Tube for 0.05-2 ppm
    Part Number
    109U-CHLORINE
    0.05-2 ppm Range Gas Detector Tube for Measuring Chlorine Learn More
    $102.00
  227. Ethyl Acetate Gas Detector Tube for 0.1-5.0 %
    Part Number
    111SA-ETHYL-ACETATE
    0.1-5.0 % Range Gas Detector Tube for Measuring Ethyl Acetate Learn More
    $89.50
  228. Methyl Acetate Gas Detector Tube for 0.1-3.0 %
    Part Number
    111SA-METHYL-ACETATE
    0.1-3.0 % Range Gas Detector Tube for Measuring Methyl Acetate Learn More
    $89.50
  229. Cumene Gas Detector Tube for 20-140 ppm
    Part Number
    111U-CUMENE
    20-140 ppm Range Gas Detector Tube for Measuring Cumene Learn More
    $102.00
  230. Cyclohexene Gas Detector Tube for 20-300 ppm
    Part Number
    111U-CYCLOHEXENE
    20-300 ppm Range Gas Detector Tube for Measuring Cyclohexene Learn More
    $102.00
  231. Decahydronaphthalene Gas Detector Tube for 20-200 ppm
    Part Number
    111U-DECAHYDRONAPHTHALENE
    20-200 ppm Range Gas Detector Tube for Measuring Decahydronaphthalene Learn More
    $102.00
  232. Hydrogen Cyanide Gas Detector Tube for 0.01-3.00 %
    Part Number
    112SA-HCN
    0.01-3.00 % Range Gas Detector Tube for Measuring Hydrogen Cyanide Learn More
    $89.50
  233. N-Hexane Gas Detector Tube for 0.05-1.32 %
    Part Number
    113SA-N-HEXANE
    0.05-1.32 % Range Gas Detector Tube for Measuring N-Hexane Learn More
    $89.50
  234. Heptane Gas Detector Tube for 100-2,000 ppm
    Part Number
    113SB-HEPTANE
    100-2,000 ppm Range Gas Detector Tube for Measuring Heptane Learn More
    $89.50
  235. Isobutane Gas Detector Tube for 50-1,200 ppm
    Part Number
    113SB-ISOBUTANE
    50-1,200 ppm Range Gas Detector Tube for Measuring Isobutane Learn More
    $89.50
  236. Pentane Gas Detector Tube for 50-1,000 ppm
    Part Number
    113SB-PENTANE
    50-1,000 ppm Range Gas Detector Tube for Measuring Pentane Learn More
    $89.50
  237. Bromine Gas Detector Tube for 1-20 ppm
    Part Number
    114-BROMINE
    1-20 ppm Range Gas Detector Tube for Measuring Bromine Learn More
    $89.50
  238. Benzene Gas Detector Tube for 1-100 ppm
    Part Number
    118SC-BENZENE
    1-100 ppm Range Gas Detector Tube for Measuring Benzene Learn More
    $89.50
  239. Methyl Alcohol Gas Detector Tube for 0.05-6.0 %
    Part Number
    119SA-METHYL-ALCOHOL
    0.05-6.0 % Range Gas Detector Tube for Measuring Methyl Alcohol Learn More
    $89.50
  240. Hydrogen Sulphide Gas Detector Tube for 0.05-1.20 %
    Part Number
    120SM-H2S
    0.05-1.20 % Range Gas Detector Tube for Measuring Hydrogen Sulphide Learn More
    $89.50
  241. Phosphine Gas Detector Tube for 20-700 ppm
    Part Number
    121SC-PHOSPHINE
    20-700 ppm Range Gas Detector Tube for Measuring Phosphine Learn More
    $89.50
  242. Phosphine Gas Detector Tube for 0.25-20.0 ppm
    Part Number
    121SD-PHOSPHINE
    0.25-20.0 ppm Range Gas Detector Tube for Measuring Phosphine Learn More
    $89.50
  243. Phosphine Gas Detector Tube for 5-150 ppm
    Part Number
    121SG-PHOSPHINE
    5-150 ppm Range Gas Detector Tube for Measuring Phosphine Learn More
    $102.00
  244. Phosphine Gas Detector Tube for 200-6,000 ppm
    Part Number
    121SS-PHOSPHINE
    200-6,000 ppm Range Gas Detector Tube for Measuring Phosphine Learn More
    $102.00
  245. Arsine Gas Detector Tube for 0.05-2.0 ppm
    Part Number
    121U-ARSINE
    0.05-2.0 ppm Range Gas Detector Tube for Measuring Arsine Learn More
    $102.00
  246. Phosphine Gas Detector Tube for 0.05-2.0 ppm
    Part Number
    121U-PHOSPHINE
    0.05-2.0 ppm Range Gas Detector Tube for Measuring Phosphine Learn More
    $102.00
  247. Isopropyl Alcohol Gas Detector Tube for 0.05-2.5 %
    Part Number
    122SA-ISOPROPYL-ALCOHOL
    0.05-2.5 % Range Gas Detector Tube for Measuring Isopropyl Alcohol Learn More
    $89.50
  248. Dimethyl Ether Gas Detector Tube for 0.01-1.20 %
    Part Number
    123S-DIMETHYL-ETHER
    0.01-1.20 % Range Gas Detector Tube for Measuring Dimethyl Ether Learn More
    $89.50
  249. Toluene Gas Detector Tube for 2-100 ppm
    Part Number
    124SB-TOLUENE
    2-100 ppm Range Gas Detector Tube for Measuring Toluene Learn More
    $89.50
  250. Toluene Gas Detector Tube for 100-3,000 ppm
    Part Number
    124SH-TOLUENE
    100-3,000 ppm Range Gas Detector Tube for Measuring Toluene Learn More
    $89.50
  251. Carbon Dioxide Gas Detector Tube for 0.1-5.2 %
    Part Number
    126SA-CO2
    0.1-5.2 % Range Gas Detector Tube for Measuring Carbon Dioxide Learn More
    $89.50
  252. Carbon Dioxide Gas Detector Tube for 0.05-1.0 %
    Part Number
    126SB-CO2
    0.05-1.0 % Range Gas Detector Tube for Measuring Carbon Dioxide Learn More
    $89.50
  253. Carbon Dioxide Gas Detector Tube for 0.02-1.40 %
    Part Number
    126SG-CO2
    0.02-1.40 % Range Gas Detector Tube for Measuring Carbon Dioxide Learn More
    $89.50
  254. Vinyl Chloride Gas Detector Tube for 0.05-1.0 %
    Part Number
    132SA-VINYL-CHLORIDE
    0.05-1.0 % Range Gas Detector Tube for Measuring Vinyl Chloride Learn More
    $89.50
  255. Acetaldehyde Gas Detector Tube for 5-140 ppm
    Part Number
    133SB-ACETALDEHYDE
    5-140 ppm Range Gas Detector Tube for Measuring Acetaldehyde Learn More
    $89.50
  256. Trichloroethylene Gas Detector Tube for 5-300 ppm
    Part Number
    134SA-TRICHLOROETHYLENE
    5-300 ppm Range Gas Detector Tube for Measuring Trichloroethylene Learn More
    $89.50
  257. Tetrachloroethylene Gas Detector Tube for 5-300 ppm
    Part Number
    135SA-TETRACHLOROETHYLENE
    5-300 ppm Range Gas Detector Tube for Measuring Tetrachloroethylene Learn More
    $89.50
  258. Tetrachloroethylene Gas Detector Tube for 50-1,250 ppm
    Part Number
    135SM-TETRACHLOROETHYLENE
    50-1,250 ppm Range Gas Detector Tube for Measuring Tetrachloroethylene Learn More
    $102.00
  259. Butyl Acetate Gas Detector Tube for 0.01-1.0 %
    Part Number
    139SB-BUTYL-ACETATE
    0.01-1.0 % Range Gas Detector Tube for Measuring Butyl Acetate Learn More
    $89.50
  260. Isopropyl Acetate Gas Detector Tube for 0.01-1.2 %
    Part Number
    139SB-ISOPROPYL-ACETATE
    0.01-1.2 % Range Gas Detector Tube for Measuring Isopropyl Acetate Learn More
    $89.50
  261. Arsine Gas Detector Tube for 5-160 ppm
    Part Number
    140SA-ARSINE
    5-160 ppm Range Gas Detector Tube for Measuring Arsine Learn More
    $89.50
  262. Xylene Gas Detector Tube for 5-1,000 ppm
    Part Number
    143SA-XYLENE
    5-1,000 ppm Range Gas Detector Tube for Measuring Xylene Learn More
    $89.50
  263. Xylene Gas Detector Tube for 5-200 ppm
    Part Number
    143SB-XYLENE
    5-200 ppm Range Gas Detector Tube for Measuring Xylene Learn More
    $89.50
  264. Phosgene Gas Detector Tube for 0.1-20 ppm
    Part Number
    146S-PHOSGENE
    0.1-20 ppm Range Gas Detector Tube for Measuring Phosgene Learn More
    $89.50
  265. N-Butane Gas Detector Tube for 0.05-0.60 %
    Part Number
    221SA-N-BUTANE
    0.05-0.60 % Range Gas Detector Tube for Measuring N-Butane Learn More
    $89.50
  266. Silane Gas Detector Tube for 0.5-50 ppm
    Part Number
    240S-SILANE
    0.5-50 ppm Range Gas Detector Tube for Measuring Silane Learn More
    $89.50
  267. Disilane Gas Detector Tube for 1-50 ppm
    Part Number
    240S-DISILANE
    1-50 ppm Range Gas Detector Tube for Measuring Disilane Learn More
    $89.50
  268. Diborane Gas Detector Tube for 0.02-5.0 ppm
    Part Number
    242S-DIBORANE
    0.02-5.0 ppm Range Gas Detector Tube for Measuring Diborane Learn More
    $89.50
  269. Tetraethoxysilane Gas Detector Tube for 5-200 ppm
    Part Number
    243U-TETRAETHOXYSILANE
    5-200 ppm Range Gas Detector Tube for Measuring Tetraethoxysilane Learn More
    $102.00
  270. 1,3-Butadiene Gas Detector Tube for 0.03-2.60 %
    Part Number
    168SA-1-3-BUTADIENE
    0.03-2.60 % Range Gas Detector Tube for Measuring 1,3-Butadiene Learn More
    $89.50
  271. Divinyl Benzene Gas Detector Tube for 5-50 ppm
    Part Number
    158S-DIVINYL-BENZENE
    5-50 ppm Range Gas Detector Tube for Measuring Divinyl Benzene Learn More
    $89.50
  272. Methyl Mercaptan Gas Detector Tube for 5-140 ppm
    Part Number
    164SA-METHYL-MERCAPTAN
    5-140 ppm Range Gas Detector Tube for Measuring Methyl Mercaptan Learn More
    $89.50
  273. Methyl Mercaptan Gas Detector Tube for 50-1,000 ppm
    Part Number
    164SH-METHYL-MERCAPTAN
    50-1,000 ppm Range Gas Detector Tube for Measuring Methyl Mercaptan Learn More
    $89.50
  274. Ethyl Mercaptan Gas Detector Tube for 1-160 ppm
    Part Number
    165SA-ETHYL-MERCAPTAN
    1-160 ppm Range Gas Detector Tube for Measuring Ethyl Mercaptan Learn More
    $89.50
  275. Ethyl Mercaptan Gas Detector Tube for 2.5-80 ppm
    Part Number
    165SB-ETHYL-MERCAPTAN
    2.5-80 ppm Range Gas Detector Tube for Measuring Ethyl Mercaptan Learn More
    $89.50
  276. Hydrogen Selenide Gas Detector Tube for 1-600 ppm
    Part Number
    167S-H-SELENIDE
    1-600 ppm Range Gas Detector Tube for Measuring Hydrogen Selenide Learn More
    $89.50
  277. Nitrogen Oxides Gas Detector Tube for 20-250 ppm
    Part Number
    175SA-NITROGEN-OXIDES
    20-250 ppm Range Gas Detector Tube for Measuring Nitrogen Oxides Learn More
    $89.50
  278. Nitrogen Oxides Gas Detector Tube for 100-2,500 ppm
    Part Number
    175SH-NITROGEN-OXIDES
    100-2,500 ppm Range Gas Detector Tube for Measuring Nitrogen Oxides Learn More
    $89.50
  279. Nitrogen Oxides Gas Detector Tube for 0.5-30 ppm
    Part Number
    175U-NITROGEN-OXIDES
    0.5-30 ppm Range Gas Detector Tube for Measuring Nitrogen Oxides Learn More
    $102.00
  280. Methyl Iodide Gas Detector Tube for 500-15,000 ppm
    Part Number
    176UH-METHYL-IODIDE
    500-15,000 ppm Range Gas Detector Tube for Measuring Methyl Iodide Learn More
    $102.00
  281. Allyl Alcohol Gas Detector Tube for 20-500 ppm
    Part Number
    184S-ALLYL-ALCOHOL
    20-500 ppm Range Gas Detector Tube for Measuring Allyl Alcohol Learn More
    $102.00
  282. General Hydrocarbons Gas Detector Tube for 50-1,400 ppm
    Part Number
    187S-GENERAL-HYDROCARBONS
    50-1,400 ppm Range Gas Detector Tube for Measuring General Hydrocarbons Learn More
    $89.50
  283. Ethyl Cellosolve Gas Detector Tube for 5-500 ppm
    Part Number
    190U-ETHYL-CELLOSOLVE
    5-500 ppm Range Gas Detector Tube for Measuring Ethyl Cellosolve Learn More
    $102.00
  284. Methyl Cellosolve Gas Detector Tube for 5-500 ppm
    Part Number
    190U-METHYL-CELLOSOLVE
    5-500 ppm Range Gas Detector Tube for Measuring Methyl Cellosolve Learn More
    $102.00
  285. 1-Butanol Gas Detector Tube for 5-100 ppm
    Part Number
    190U-1-BUTANOL
    5-100 ppm Range Gas Detector Tube for Measuring 1-Butanol Learn More
    $102.00
  286. Isopropyl Cellosolve Gas Detector Tube for 5-350 ppm
    Part Number
    190U-ISOPROPYL-CELLOSOLVE
    5-350 ppm Range Gas Detector Tube for Measuring Isopropyl Cellosolve Learn More
    $102.00
  287. Mesityl Oxide Gas Detector Tube for 5-100 ppm
    Part Number
    190U-MESITYL-OXIDE
    5-100 ppm Range Gas Detector Tube for Measuring Mesityl Oxide Learn More
    $102.00
  288. 1-Propanol Gas Detector Tube for 20-300 ppm
    Part Number
    190U-1-PROPANOL
    20-300 ppm Range Gas Detector Tube for Measuring 1-Propanol Learn More
    $102.00
  289. Methyl Cyclohexanone Gas Detector Tube for 2-100 ppm
    Part Number
    198U-METHYL-CYCLOHEXANONE
    2-100 ppm Range Gas Detector Tube for Measuring Methyl Cyclohexanone Learn More
    $102.00
  290. Methyl Cyclohexanol Gas Detector Tube for 5-200 ppm
    Part Number
    199U-METHYL-CYCLOHEXANOL
    5-200 ppm Range Gas Detector Tube for Measuring Methyl Cyclohexanol Learn More
    $102.00
  291. Isobutyl Alcohol Gas Detector Tube for 5-100 ppm
    Part Number
    208U-ISOBUTYL-ALCOHOL
    5-100 ppm Range Gas Detector Tube for Measuring Isobutyl Alcohol Learn More
    $102.00
  292. Isopentyl Alcohol Gas Detector Tube for 5-100 ppm
    Part Number
    209U-ISOPENTYL-ALCOHOL
    5-100 ppm Range Gas Detector Tube for Measuring Isopentyl Alcohol Learn More
    $102.00
  293. Butyl Acrylate Gas Detector Tube for 2-60 ppm
    Part Number
    211U-BUTYL-ACRYLATE
    2-60 ppm Range Gas Detector Tube for Measuring Butyl Acrylate Learn More
    $102.00
  294. Methyl Acrylate Gas Detector Tube for 2-60 ppm
    Part Number
    211U-METHYL-ACRYLATE
    2-60 ppm Range Gas Detector Tube for Measuring Methyl Acrylate Learn More
    $102.00
  295. Ethyl Acrylate Gas Detector Tube for 5-60 ppm
    Part Number
    211U-ETHYL-ACRYLATE
    5-60 ppm Range Gas Detector Tube for Measuring Ethyl Acrylate Learn More
    $102.00
  296. Isobutyl Acrylate Gas Detector Tube for 5-60 ppm
    Part Number
    211U-ISOBUTYL-ACRYLATE
    5-60 ppm Range Gas Detector Tube for Measuring Isobutyl Acrylate Learn More
    $102.00
  297. Triethyl Amine Gas Detector Tube for 1-20 ppm
    Part Number
    213S-TRIETHYL-AMINE
    1-20 ppm Range Gas Detector Tube for Measuring Triethyl Amine Learn More
    $89.50
  298. O-Dichlorobenzene Gas Detector Tube for 5-100 ppm
    Part Number
    214S-O-DICHLOROBENZENE
    5-100 ppm Range Gas Detector Tube for Measuring O-Dichlorobenzene Learn More
    $89.50
  299. Acetic Acid Gas Detector Tube for 0.5-125 ppm
    Part Number
    216S-ACETIC-ACID
    0.5-125 ppm Range Gas Detector Tube for Measuring Acetic Acid Learn More
    $89.50
  300. Formic Acid Gas Detector Tube for 1-50 ppm
    Part Number
    216S-FORMIC-ACID
    1-50 ppm Range Gas Detector Tube for Measuring Formic Acid Learn More
    $89.50
  301. Acetic Anhydride Gas Detector Tube for 1-15 ppm
    Part Number
    216S-ACETIC-ANHYDRIDE
    1-15 ppm Range Gas Detector Tube for Measuring Acetic Anhydride Learn More
    $89.50
  302. P-Cymene Gas Detector Tube for 20-200 ppm
    Part Number
    102SD-P-CYMENE
    20-200 ppm Range Gas Detector Tube for Measuring P-Cymene Learn More
    $89.50
  303. Sulphur Dioxide Gas Detector Tube for 20-300 ppm
    Part Number
    103SC-SULPHUR-DIOXIDE
    20-300 ppm Range Gas Detector Tube for Measuring Sulphur Dioxide Learn More
    was $89.50 Special Price $86.00
  304. Sulphur Dioxide Gas Detector Tube for 1-60 ppm
    Part Number
    103SD-SULPHUR-DIOXIDE
    1-60 ppm Range Gas Detector Tube for Measuring Sulphur Dioxide Learn More
    was $89.50 Special Price $86.00
  305. Cyclohexyl Amine Gas Detector Tube for 1-20 ppm
    Part Number
    105SD-CYCLOHEXYL-AMINE
    1-20 ppm Range Gas Detector Tube for Measuring Cyclohexyl Amine Learn More
    $89.50
  306. Pentyl Amine Gas Detector Tube for 2-22 ppm
    Part Number
    105SD-PENTYL-AMINE
    2-22 ppm Range Gas Detector Tube for Measuring Pentyl Amine Learn More
    $89.50
  307. Propyl Amine Gas Detector Tube for 1-20 ppm
    Part Number
    105SD-PROPYL-AMINE
    1-20 ppm Range Gas Detector Tube for Measuring Propyl Amine Learn More
    $89.50
  308. O-Toluidine Gas Detector Tube for 2-22 ppm
    Part Number
    105SD-O-TOLUIDINE
    2-22 ppm Range Gas Detector Tube for Measuring O-Toluidine Learn More
    $89.50
  309. P-Toluidine Gas Detector Tube for 2-20 ppm
    Part Number
    105SD-P-TOLUIDINE
    2-20 ppm Range Gas Detector Tube for Measuring P-Toluidine Learn More
    $89.50
  310. Trimethyl Amine Gas Detector Tube for 0.5-100 ppm
    Part Number
    105SE-TRIMETHYL-AMINE
    0.5-100 ppm Range Gas Detector Tube for Measuring Trimethyl Amine Learn More
    $89.50
  311. Carbon Monoxide Gas Detector Tube for 5-2,000 ppm
    Part Number
    106SA-CO
    5-2,000 ppm Range Gas Detector Tube for Measuring Carbon Monoxide Learn More
    $89.50
  312. Carbon Monoxide Gas Detector Tube for 1-50 ppm
    Part Number
    106SC-CO
    1-50 ppm Range Gas Detector Tube for Measuring Carbon Monoxide Learn More
    $89.50
  313. Carbon Monoxide Gas Detector Tube for 30-500 ppm
    Part Number
    106SS-CO
    30-500 ppm Range Gas Detector Tube for Measuring Carbon Monoxide Learn More
    $89.50
  314. Ethyl Ether Gas Detector Tube for 20-400 ppm
    Part Number
    107U-ETHYL-ETHER
    20-400 ppm Range Gas Detector Tube for Measuring Ethyl Ether Learn More
    $102.00
  315. Tert-Butanol Gas Detector Tube for 20-500 ppm
    Part Number
    111U-TERT-BUTANOL
    20-500 ppm Range Gas Detector Tube for Measuring Tert-Butanol Learn More
    $102.00
  316. Butyl Methacrylate Gas Detector Tube for 20-1,000 ppm
    Part Number
    111U-BUTYL-METHACRYLATE
    20-1,000 ppm Range Gas Detector Tube for Measuring Butyl Methacrylate Learn More
    $102.00
  317. N-Decane Gas Detector Tube for 5-90 ppm
    Part Number
    111U-N-DECANE
    5-90 ppm Range Gas Detector Tube for Measuring N-Decane Learn More
    $102.00
  318. Ethyl Methacrylate Gas Detector Tube for 20-500 ppm
    Part Number
    111U-ETHYL-METHACRYLATE
    20-500 ppm Range Gas Detector Tube for Measuring Ethyl Methacrylate Learn More
    $102.00
  319. Isopropyl Ether Gas Detector Tube for 30-800 ppm
    Part Number
    111U-ISOPROPYL-ETHER
    30-800 ppm Range Gas Detector Tube for Measuring Isopropyl Ether Learn More
    $102.00
  320. N-Nonane Gas Detector Tube for 5-160 ppm
    Part Number
    111U-N-NONANE
    5-160 ppm Range Gas Detector Tube for Measuring N-Nonane Learn More
    $102.00
  321. Hydrogen Cyanide Gas Detector Tube for 0.5-100 ppm
    Part Number
    112SB-HCN
    0.5-100 ppm Range Gas Detector Tube for Measuring Hydrogen Cyanide Learn More
    $89.50
  322. N-Hexane Gas Detector Tube for 50-1,400 ppm
    Part Number
    113SB-N-HEXANE
    50-1,400 ppm Range Gas Detector Tube for Measuring N-Hexane Learn More
    $89.50
  323. Methyl Cyclohexane Gas Detector Tube for 100-1,600 ppm
    Part Number
    113SB-METHYL-CYCLOHEXANE
    100-1,600 ppm Range Gas Detector Tube for Measuring Methyl Cyclohexane Learn More
    $89.50
  324. N-Hexane Gas Detector Tube for 5-800 ppm
    Part Number
    113SC-N-HEXANE
    5-800 ppm Range Gas Detector Tube for Measuring N-Hexane Learn More
    $89.50
  325. Chlorine Dioxide Gas Detector Tube for 1-20 ppm
    Part Number
    116-CHLORINE-DIOXIDE
    1-20 ppm Range Gas Detector Tube for Measuring Chlorine Dioxide Learn More
    $89.50
  326. Nitrogen Dioxide Gas Detector Tube for 20-1,000 ppm
    Part Number
    117SA-NITROGEN-DIOXIDE
    20-1,000 ppm Range Gas Detector Tube for Measuring Nitrogen Dioxide Learn More
    $89.50
  327. Methyl Alcohol Gas Detector Tube for 20-1,000 ppm
    Part Number
    119U-METHYL-ALCOHOL
    20-1,000 ppm Range Gas Detector Tube for Measuring Methyl Alcohol Learn More
    $102.00
  328. Ethylene Chlorohydrine Gas Detector Tube for 5-300 ppm
    Part Number
    119U-ETHYLENE-CHLOROHYDRINE
    5-300 ppm Range Gas Detector Tube for Measuring Ethylene Chlorohydrine Learn More
    $102.00
  329. Hydrogen Sulphide Gas Detector Tube for 0.75-300 ppm
    Part Number
    120SB-H2S
    0.75-300 ppm Range Gas Detector Tube for Measuring Hydrogen Sulphide Learn More
    $89.50
  330. Hydrogen Sulphide Gas Detector Tube for 1-60 ppm
    Part Number
    120SD-H2S
    1-60 ppm Range Gas Detector Tube for Measuring Hydrogen Sulphide Learn More
    $89.50
  331. Hydrogen Sulphide Gas Detector Tube for 25-2,000 ppm
    Part Number
    120SF-H2S
    25-2,000 ppm Range Gas Detector Tube for Measuring Hydrogen Sulphide Learn More
    $89.50
  332. Hydrogen Sulphide Gas Detector Tube for 0.1-6.0 ppm
    Part Number
    120U-H2S
    0.1-6.0 ppm Range Gas Detector Tube for Measuring Hydrogen Sulphide Learn More
    $102.00
  333. Ethylene Oxide Gas Detector Tube for 50-2,600 ppm
    Part Number
    122SL-ETO
    50-2,600 ppm Range Gas Detector Tube for Measuring Ethylene Oxide Learn More
    $102.00
  334. Ethylene Oxide Gas Detector Tube for 5-100 ppm
    Part Number
    122SM-ETO
    5-100 ppm Range Gas Detector Tube for Measuring Ethylene Oxide Learn More
    $102.00
  335. Carbon Dioxide Gas Detector Tube for 0.01-0.70 %
    Part Number
    126B-CO2
    0.01-0.70 % Range Gas Detector Tube for Measuring Carbon Dioxide Learn More
    $89.50
  336. Nickel Carbonyl Gas Detector Tube for 20-700 ppm
    Part Number
    129-NICKEL-CARBONYL
    20-700 ppm Range Gas Detector Tube for Measuring Nickel Carbonyl Learn More
    $89.50
  337. Diisobutyl Ketone Gas Detector Tube for 20-1,000 ppm
    Part Number
    139U-DIISOBUTYL-KETONE
    20-1,000 ppm Range Gas Detector Tube for Measuring Diisobutyl Ketone Learn More
    $102.00
  338. Isopropyl Alcohol Gas Detector Tube for 20-1,200 ppm
    Part Number
    150U-ISOPROPYL-ALCOHOL
    20-1,200 ppm Range Gas Detector Tube for Measuring Isopropyl Alcohol Learn More
    $102.00
  339. Propyl Acetate Gas Detector Tube for 20-1,000 ppm
    Part Number
    151U-PROPYL-ACETATE
    20-1,000 ppm Range Gas Detector Tube for Measuring Propyl Acetate Learn More
    $102.00
  340. Hydrogen Fluoride Gas Detector Tube for 0.17-30 ppm
    Part Number
    156S-H-FLUORIDE
    0.17-30 ppm Range Gas Detector Tube for Measuring Hydrogen Fluoride Learn More
    $89.50
  341. Acrylic Acid Gas Detector Tube for 1-50 ppm
    Part Number
    216S-ACRYLIC-ACID
    1-50 ppm Range Gas Detector Tube for Measuring Acrylic Acid Learn More
    $89.50
  342. Butyric Acid Gas Detector Tube for 3-60 ppm
    Part Number
    216S-BUTYRIC-ACID
    3-60 ppm Range Gas Detector Tube for Measuring Butyric Acid Learn More
    $89.50
  343. Isobutyric Acid Gas Detector Tube for 3-50 ppm
    Part Number
    216S-ISOBUTYRIC-ACID
    3-50 ppm Range Gas Detector Tube for Measuring Isobutyric Acid Learn More
    $89.50
  344. Isovaleric Acid Gas Detector Tube for 3-50 ppm
    Part Number
    216S-ISOVALERIC-ACID
    3-50 ppm Range Gas Detector Tube for Measuring Isovaleric Acid Learn More
    $89.50
  345. Methacrylic Acid Gas Detector Tube for 1-50 ppm
    Part Number
    216S-METHACRYLIC-ACID
    1-50 ppm Range Gas Detector Tube for Measuring Methacrylic Acid Learn More
    $89.50
  346. Propionic Acid Gas Detector Tube for 3-50 ppm
    Part Number
    216S-PROPIONIC-ACID
    3-50 ppm Range Gas Detector Tube for Measuring Propionic Acid Learn More
    $89.50
  347. Diethyl Amine Gas Detector Tube for 1-20 ppm
    Part Number
    222S-DIETHYL-AMINE
    1-20 ppm Range Gas Detector Tube for Measuring Diethyl Amine Learn More
    $89.50
  348. Trimethyl Amine Gas Detector Tube for 1-20 ppm
    Part Number
    222S-TRIMETHYL-AMINE
    1-20 ppm Range Gas Detector Tube for Measuring Trimethyl Amine Learn More
    $89.50
  349. Isopropyl Amine Gas Detector Tube for 1-12 ppm
    Part Number
    222S-ISOPROPYL-AMINE
    1-12 ppm Range Gas Detector Tube for Measuring Isopropyl Amine Learn More
    $89.50
  350. Monoethanol Amine Gas Detector Tube for 0.5-50 ppm
    Part Number
    224SA-MONOETHANOL-AMINE
    0.5-50 ppm Range Gas Detector Tube for Measuring Monoethanol Amine Learn More
    $89.50
  351. Dimethyl Amine Gas Detector Tube for 1-20 ppm
    Part Number
    227S-DIMETHYL-AMINE
    1-20 ppm Range Gas Detector Tube for Measuring Dimethyl Amine Learn More
    $89.50
  352. Ethyl Amine Gas Detector Tube for 1-20 ppm
    Part Number
    227S-ETHYL-AMINE
    1-20 ppm Range Gas Detector Tube for Measuring Ethyl Amine Learn More
    $89.50
  353. Methyl Amine Gas Detector Tube for 1-20 ppm
    Part Number
    227S-METHYL-AMINE
    1-20 ppm Range Gas Detector Tube for Measuring Methyl Amine Learn More
    $89.50
  354. Vinyl Acetate Gas Detector Tube for 5-120 ppm
    Part Number
    237S-VINYL-ACETATE
    5-120 ppm Range Gas Detector Tube for Measuring Vinyl Acetate Learn More
    $89.50
  355. Furfuryl Alcohol Gas Detector Tube for 5-25 ppm
    Part Number
    238S-FURFURYL-ALCOHOL
    5-25 ppm Range Gas Detector Tube for Measuring Furfuryl Alcohol Learn More
    $89.50
  356. Sulphide Ion Gas Detector Tube for 2-1,000 ppm
    Part Number
    200SA-SULPHIDE-ION
    2-1,000 ppm Range Gas Detector Tube for Measuring Sulphide Ion Learn More
    $89.50
  357. Chloride Ion Gas Detector Tube for 3-200 ppm
    Part Number
    201SB-CHLORIDE-ION
    3-200 ppm Range Gas Detector Tube for Measuring Chloride Ion Learn More
    $89.50
  358. Α-Pinene Gas Detector Tube for 20-300 ppm
    Part Number
    158S-a-PINENE
    20-300 ppm Range Gas Detector Tube for Measuring Α-Pinene Learn More
    $89.50
  359. 1,3-Butadiene Gas Detector Tube for 30-600 ppm
    Part Number
    168SB-1-3-BUTADIENE
    30-600 ppm Range Gas Detector Tube for Measuring 1,3-Butadiene Learn More
    $89.50
  360. 1,3-Butadiene Gas Detector Tube for 2.5-100 ppm
    Part Number
    168SC-1-3-BUTADIENE
    2.5-100 ppm Range Gas Detector Tube for Measuring 1,3-Butadiene Learn More
    $89.50
  361. Nitrogen Dioxide Gas Detector Tube for 0.5-30.0 ppm
    Part Number
    117SB-NITROGEN-DIOXIDE
    0.5-30.0 ppm Range Gas Detector Tube for Measuring Nitrogen Dioxide Learn More
    $89.50
  362. Methyl Ethyl Ketone Gas Detector Tube for 0.05-5.0 %
    Part Number
    122SA-METHYL-ETHYL-KETONE
    0.05-5.0 % Range Gas Detector Tube for Measuring Methyl Ethyl Ketone Learn More
    $89.50
  363. Methyl Isobutyl Ketone Gas Detector Tube for 0.01-0.6 %
    Part Number
    122SA-METHYL-ISOBUTYL-KETONE
    0.01-0.6 % Range Gas Detector Tube for Measuring Methyl Isobutyl Ketone Learn More
    $89.50
  364. Cyanide Ion Gas Detector Tube for 0.2-5.0 ppm
    Part Number
    204S-CYANIDE-ION
    0.2-5.0 ppm Range Gas Detector Tube for Measuring Cyanide Ion Learn More
    $89.50
  365. Water Vapour Gas Detector Tube for 3-80 LB/MMCF
    Part Number
    177UL-WATER-VAPOUR
    3-80 LB/MMCF Range Gas Detector Tube for Measuring Water Vapour Learn More
    $89.50
  366. Compressed Breathing Air(O2) Gas Detector Tube for 2-24 %
    Part Number
    604SP-COMPRESSED-BREATHING-AIRO2
    2-24 % Range Gas Detector Tube for Measuring Compressed Breathing Air(O2) Learn More
    $102.00
  367. Copper Ion Gas Detector Tube for 1-100 mg/L
    Part Number
    203S-COPPER-ION
    1-100 mg/L Range Gas Detector Tube for Measuring Copper Ion Learn More
    $89.50
  368. Water Vapour Gas Detector Tube for 0.05-2.0 mg/L
    Part Number
    177U-WATER-VAPOUR
    0.05-2.0 mg/L Range Gas Detector Tube for Measuring Water Vapour Learn More
    $102.00
  369. Ethyl Cellosolve Acetate Gas Detector Tube for 5-150 ppm
    Part Number
    190U-ETHYL-CELLOSOLVE-ACETATE
    5-150 ppm Range Gas Detector Tube for Measuring Ethyl Cellosolve Acetate Learn More
    $102.00
  370. Methyl Cellosolve Acetate Gas Detector Tube for 3-120 ppm
    Part Number
    190U-METHYL-CELLOSOLVE-ACETATE
    3-120 ppm Range Gas Detector Tube for Measuring Methyl Cellosolve Acetate Learn More
    $102.00
  371. N,N-Dimethylformamide Gas Detector Tube for 1-30 ppm
    Part Number
    196S-N-N-DIMETHYLFORMAMIDE
    1-30 ppm Range Gas Detector Tube for Measuring N,N-Dimethylformamide Learn More
    $89.50
  372. N-Butyl Amine Gas Detector Tube for 1-20 ppm
    Part Number
    105SD-N-BUTYL-AMINE
    1-20 ppm Range Gas Detector Tube for Measuring N-Butyl Amine Learn More
    $89.50
  373. N-Methyl Aniline Gas Detector Tube for 0.5-6 ppm
    Part Number
    105SD-N-METHYL-ANILINE
    0.5-6 ppm Range Gas Detector Tube for Measuring N-Methyl Aniline Learn More
    $89.50
  374. Ethylene-Colour Intensity Gas Detector Tube for 0.1-100 ppm
    Part Number
    108B-ETHYLENE-COLOUR-INTENSITY
    0.1-100 ppm Range Gas Detector Tube for Measuring Ethylene-Colour Intensity Learn More
    $89.50
  375. Ethylene -High Range Gas Detector Tube for 20-1,200 ppm
    Part Number
    108SA-ETHYLENE-HIGH-RANGE
    20-1,200 ppm Range Gas Detector Tube for Measuring Ethylene -High Range Learn More
    $89.50
  376. Phosphine-High Range Gas Detector Tube for 100-3,200 ppm
    Part Number
    121SH-PHOSPHINE-HIGH-RANGE
    100-3,200 ppm Range Gas Detector Tube for Measuring Phosphine-High Range Learn More
    $89.50
  377. Methyl Ethyl Ketone Gas Detector Tube for 20-1,500 ppm
    Part Number
    139U-METHYL-ETHYL-KETONE
    20-1,500 ppm Range Gas Detector Tube for Measuring Methyl Ethyl Ketone Learn More
    $102.00
  378. Methyl Propyl Ketone Gas Detector Tube for 20-1,500 ppm
    Part Number
    139U-METHYL-PROPYL-KETONE
    20-1,500 ppm Range Gas Detector Tube for Measuring Methyl Propyl Ketone Learn More
    $102.00
  379. Methyl Isobutyl Ketone Gas Detector Tube for 5-300 ppm
    Part Number
    155U-METHYL-ISOBUTYL-KETONE
    5-300 ppm Range Gas Detector Tube for Measuring Methyl Isobutyl Ketone Learn More
    $102.00
  380. N-Valeric Acid Gas Detector Tube for 3-70 ppm
    Part Number
    216S-N-VALERIC-ACID
    3-70 ppm Range Gas Detector Tube for Measuring N-Valeric Acid Learn More
    $89.50
  381. N,N-Dimethylacetamide Gas Detector Tube for 5-70 ppm
    Part Number
    229S-N-N-DIMETHYLACETAMIDE
    5-70 ppm Range Gas Detector Tube for Measuring N,N-Dimethylacetamide Learn More
    $89.50
  382. Nitric Acid Vapour Gas Detector Tube for 1-20 ppm
    Part Number
    233S-NITRIC-ACID-VAPOUR
    1-20 ppm Range Gas Detector Tube for Measuring Nitric Acid Vapour Learn More
    $89.50
  383. Methyl Butyl Ketone Gas Detector Tube for 5-80 ppm
    Part Number
    237S-METHYL-BUTYL-KETONE
    5-80 ppm Range Gas Detector Tube for Measuring Methyl Butyl Ketone Learn More
    $89.50
  384. Sulphuric Acid Gas Detector Tube for 0.5-5.0 mg/m3
    Part Number
    244U-SULPHURIC-ACID
    0.5-5.0 mg/m3 Range Gas Detector Tube for Measuring Sulphuric Acid Learn More
    $102.00
  385. Mitc(Methyl Isothiocyanate) Gas Detector Tube for 0.3-22 ppm
    Part Number
    245UL-MITCMETHYL-ISOTHIOCYANATE
    0.3-22 ppm Range Gas Detector Tube for Measuring Mitc(Methyl Isothiocyanate) Learn More
    $102.00
  386. Compressed Breathing Air(Co) Gas Detector Tube for 5-100 ppm
    Part Number
    600SP-COMPRESSED-BREATHING-AIRCO
    5-100 ppm Range Gas Detector Tube for Measuring Compressed Breathing Air(Co) Learn More
    $102.00
  387. Di-N-Butyl Amine Gas Detector Tube for 2-20 ppm
    Part Number
    105SD-DI-N-BUTYL-AMINE
    2-20 ppm Range Gas Detector Tube for Measuring Di-N-Butyl Amine Learn More
    $89.50
  388. N-N-Dimethyl Aniline Gas Detector Tube for 0.5-9 ppm
    Part Number
    105SD-N-N-DIMETHYL-ANILINE
    0.5-9 ppm Range Gas Detector Tube for Measuring N-N-Dimethyl Aniline Learn More
    $89.50
  389. Di-Iso-Propyl Amine Gas Detector Tube for 1-16 ppm
    Part Number
    105SD-DI-ISO-PROPYL-AMINE
    1-16 ppm Range Gas Detector Tube for Measuring Di-Iso-Propyl Amine Learn More
    $89.50
  390. Di-N-Propyl Amine Gas Detector Tube for 1-14 ppm
    Part Number
    105SD-DI-N-PROPYL-AMINE
    1-14 ppm Range Gas Detector Tube for Measuring Di-N-Propyl Amine Learn More
    $89.50
  391. Carbon Monoxide-Ultra High Range Gas Detector Tube for 0.1-20 %
    Part Number
    106UH-CO-ULTRA-HIGH-RANGE
    0.1-20 % Range Gas Detector Tube for Measuring Carbon Monoxide-Ultra High Range Learn More
    $102.00
  392. Hydrogen Sulphide-Ultra High Range Gas Detector Tube for 2-20 %
    Part Number
    120UH-H2S-ULTRA-HIGH-RANGE
    2-20 % Range Gas Detector Tube for Measuring Hydrogen Sulphide-Ultra High Range Learn More
    $102.00
  393. Carbon Dioxide-Extra High Range Gas Detector Tube for 1-20 %
    Part Number
    126SH-CO2-EXTRA-HIGH-RANGE
    1-20 % Range Gas Detector Tube for Measuring Carbon Dioxide-Extra High Range Learn More
    $89.50
  394. Carbon Dioxide-Ultra High Range Gas Detector Tube for 5-50 %
    Part Number
    126UH-CO2-ULTRA-HIGH-RANGE
    5-50 % Range Gas Detector Tube for Measuring Carbon Dioxide-Ultra High Range Learn More
    $102.00
  395. Ethyl-Tert-Butyl Ether Gas Detector Tube for 1-60 ppm
    Part Number
    248U-ETHYL-TERT-BUTYL-ETHER
    1-60 ppm Range Gas Detector Tube for Measuring Ethyl-Tert-Butyl Ether Learn More
    $102.00
  396. Compressed Breathing Air(Co2) Gas Detector Tube for 100-3,000 ppm
    Part Number
    601SP-COMPRESSED-BREATHING-AIRCO2
    100-3,000 ppm Range Gas Detector Tube for Measuring Compressed Breathing Air(Co2) Learn More
    $102.00
  397. Sulphur Dioxide-In Carbon Dioxide Gas Detector Tube for 0.1-25 ppm
    Part Number
    103SG-SULPHUR-DIOXIDE-CO2
    0.1-25 ppm Range Gas Detector Tube for Measuring Sulphur Dioxide-In Carbon Dioxide Learn More
    was $102.00 Special Price $98.00
  398. Tert-Butyl Methyl Ether(Mtbe) Gas Detector Tube for 25-500 ppm
    Part Number
    111U-TERT-BUTYL-METHYL-ETHERMTBE
    25-500 ppm Range Gas Detector Tube for Measuring Tert-Butyl Methyl Ether(Mtbe) Learn More
    $102.00
  399. Compressed Breathing Air(H2O) Gas Detector Tube for 20-160 mg/m3
    Part Number
    603SPA-COMPRESSED-BREATHING-AIRH2O
    20-160 mg/m3 Range Gas Detector Tube for Measuring Compressed Breathing Air(H2O) Learn More
    $102.00
  400. Water Vapour-Ultra Low Range Gas Detector Tube for 2-12 LB/MMCF
    Part Number
    177UR-WATER-VAPOUR-ULTRA-LOW-RANGE
    2-12 LB/MMCF Range Gas Detector Tube for Measuring Water Vapour-Ultra Low Range Learn More
    $89.50
  401. Water Vapour-Ultra Low Range Gas Detector Tube for 2-30 LB/MMCF
    Part Number
    177UR2-WATER-VAPOUR-ULTRA-LOW-RANGE
    2-30 LB/MMCF Range Gas Detector Tube for Measuring Water Vapour-Ultra Low Range Learn More
    $89.50
  402. Hydrogen Sulphide In Presence Of Sulphur Dioxide Gas Detector Tube for 0.005-0.16 %
    Part Number
    120SC-H2S-PRES-OF-SULPHUR-DIOXIDE
    0.005-0.16 % Range Gas Detector Tube for Measuring Hydrogen Sulphide In Presence Of Sulphur Dioxide Learn More
    $89.50
  403. Compressed Breathing Air(Oil Mist) Gas Detector Tube for 0.3-5 mg/m3
    Part Number
    602SP-COMPRESSED-BREATHING-AIROIL-MIST
    0.3-5 mg/m3 Range Gas Detector Tube for Measuring Compressed Breathing Air(Oil Mist) Learn More
    $102.00
  404. Variable Tube Holder Starter Kits
    Part Number
    SEN-TUBE-KIT
    Variable Tube Holder Starter Kits, Dual, Triple, Quad or Deluxe Kit Select Single Size or MultiSize Manifold Kit Learn More
    As low as $204.75
  405. RespiFit Respirator Fit Test Kit with Auto Pump
    Part Number
    7013304-1
    RespiFit Respirator Fit Test Pump w/Kit Learn More
    $438.75
  406. Housing Filter Front
    Part Number
    201044-10
    Housing Filter Front Lexan Learn More
    $22.00
  407. Air Flow Indicator (HVAC) Kit
    Part Number
    7014094
    Air Flow Indicator / Smoke Tube Kit Learn More
    $106.75
  408. BDX-II Air Sampling Pump
    Part Number
    SEN-BDXII
    Gilian BDX-II Air sampling pump - select a configuration to see what is included. Learn More
    As low as $488.50
  409. Deluxe Hazmat III Kit (with Tubes)
    Part Number
    7013627
    Deluxe Hazmat III Kit contains Pump, Tubes, Hose, Handbook, Chart, Case. Learn More
    $2,551.50
  410. Hydrogen Sulphide Gas Detector Tube for 0.5-40 ppm (new)
    Part Number
    120SE2-H2S
    0.5-40 ppm Range Gas Detector Tube for Measuring Hydrogen Sulphide Learn More
    $89.50
  411. Hydrogen Sulfide, H2S, 50 ppm in Nitrogen (58SL)
    Part Number
    009824-10
    Hydrogen Sulfide, H2S, 50 ppm in Nitrogen (58SL) Calibration Gas for Sensidyne Fixed Gas Detection Systems Learn More
    $273.00
Set Ascending Direction
View as List Grid

411 items

Page
per page