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We've made it easy for you to find your equivalent calibration gas. Just enter your part number in the search box (top right of every page). Or use the filters in the left column to narrow in on your calibration gas. Save up to 50% of the cost of brand name gases. We supply identical mixtures with ISO and NIST certification.

Biosystems > BW Technologies > Draeger >
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  1. Industrial Scientific 1810-3937 Replacement Gas for MX4, ITX and TMX - 25 PPM H2S, 100 PPM CO, 25% LEL Pentane, 19% O2, Balance Nitrogen (29L)

    Industrial Scientific 1810-3937 Replacement Gas for MX4, ITX and TMX - 25 PPM H2S, 100 PPM CO, 25% LEL Pentane, 19% O2, Balance Nitrogen (29L)

    $165.00
    25 PPM Hydrogen Sulfide, 100 PPM Carbon Monoxide, 25% LEL Pentane, 19% Oxygen, Balance Nitrogen, 29 Liter Aluminum Cylinder (Industrial Scientific 18103937 Equivalent). RFID tag is not included.
  2. Industrial Scientific 1810-2187 Replacement Gas for MX4, ITX and TMX - 25 PPM H2S, 100 PPM CO, 25% LEL Pentane, 19% O2, Balance Nitrogen (58L)

    Industrial Scientific 1810-2187 Replacement Gas for MX4, ITX and TMX - 25 PPM H2S, 100 PPM CO, 25% LEL Pentane, 19% O2, Balance Nitrogen (58L)

    $248.00
    25 PPM Hydrogen Sulfide, 100 PPM Carbon Monoxide, 25% LEL Pentane, 19% Oxygen, Balance Nitrogen, 58 Liter Aluminum Cylinder (Industrial Scientific 18102187 Equivalent). RFID tag is not included.
  3. Industrial Scientific 1810-6773 Replacement Gas for Ventis MX4 - 5 PPM NO2, 100 PPM CO, 25% LEL Pentane, 19% O2, Balance Nitrogen (58L)

    Industrial Scientific 1810-6773 Replacement Gas for Ventis MX4 - 5 PPM NO2, 100 PPM CO, 25% LEL Pentane, 19% O2, Balance Nitrogen (58L)

    $335.00
    5 PPM Nitrogen Dioxide, 100 PPM Carbon Monoxide, 25% LEL Pentane, 19% Oxygen, Balance Nitrogen, 58 Liter Aluminum Cylinder (Industrial Scientific 18106773 Equivalent). RFID tag is not included.
  4. Industrial Scientific 1810-2186 Replacement - 25 PPM Hydrogen Sulfide, 25% LEL Pentane, 19% Oxygen, Balance Nitrogen (58L)

    Industrial Scientific 1810-2186 Replacement - 25 PPM Hydrogen Sulfide, 25% LEL Pentane, 19% Oxygen, Balance Nitrogen (58L)

    $248.00
    25 PPM Hydrogen Sulfide, 25% LEL Pentane, 19% Oxygen, Balance Nitrogen, 58 Liter Aluminum Cylinder (Industrial Scientific 18102186 Equivalent). RFID tag is not included.
  5. Draeger 4594944 Replacement - 25 PPM Hydrogen Sulfide, 100 PPM Carbon Monoxide, 30% LEL Pentane, 20.9% Oxygen (Air), Balance Nitrogen (58L)

    Draeger 4594944 Replacement - 25 PPM Hydrogen Sulfide, 100 PPM Carbon Monoxide, 30% LEL Pentane, 20.9% Oxygen (Air), Balance Nitrogen (58L)

    $248.00
    25 PPM Hydrogen Sulfide, 100 PPM Carbon Monoxide, 30% LEL Pentane, 20.9% Oxygen (Air), Balance Nitrogen, 58 Liter Aluminum Cylinder (Draeger 4594944 Equivalent).
  6. Draeger 4594947 Replacement - 100 PPM Carbon Monoxide, 30% LEL Pentane, 20.9% Oxygen (Air), Balance Nitrogen (103L)

    Draeger 4594947 Replacement - 100 PPM Carbon Monoxide, 30% LEL Pentane, 20.9% Oxygen (Air), Balance Nitrogen (103L)

    $145.00
    100 PPM Carbon Monoxide, 30% LEL Pentane, 20.9% Oxygen (Air), Balance Nitrogen, 103 Liter Steel Cylinder (Draeger 4594947 Equivalent).
  7. MSA 10007047 Replacement - 100 PPM Carbon Monoxide, 0.35% vol. Pentane, 19% Oxygen, Balance Nitrogen (103L)

    MSA 10007047 Replacement - 100 PPM Carbon Monoxide, 0.35% vol. Pentane, 19% Oxygen, Balance Nitrogen (103L)

    $145.00
    100 PPM Carbon Monoxide, 0.35% vol. Pentane, 19% Oxygen, Balance Nitrogen, 103 Liter Steel Cylinder (MSA 10007047 Equivalent).
  8. MSA 10007049 Replacement - 25 PPM Hydrogen Sulfide, 100 PPM Carbon Monoxide, 0.35% Pentane, 19% Oxygen, Balance Nitrogen (58L)

    MSA 10007049 Replacement - 25 PPM Hydrogen Sulfide, 100 PPM Carbon Monoxide, 0.35% Pentane, 19% Oxygen, Balance Nitrogen (58L)

    $248.00
    25 PPM Hydrogen Sulfide, 100 PPM Carbon Monoxide, 0.35% Pentane, 19% Oxygen, Balance Nitrogen, 58 Liter Aluminum Cylinder (MSA 10007049 Equivalent).
  9. MSA 476304 Replacement - 50% LEL Pentane, 15% Oxygen, Balance Nitrogen (17L)

    MSA 476304 Replacement - 50% LEL Pentane, 15% Oxygen, Balance Nitrogen (17L)

    $50.00
    50% LEL Pentane, 15% Oxygen, Balance Nitrogen, 17 Liter Steel Cylinder (MSA 476304 Equivalent).
  10. MSA 10010162 Replacement - 300 PPM Carbon Monoxide, 1.45% (58% LEL) Pentane Simulant, 15% Oxygen, Balance Nitrogen (103L)

    MSA 10010162 Replacement - 300 PPM Carbon Monoxide, 1.45% (58% LEL) Pentane Simulant, 15% Oxygen, Balance Nitrogen (103L)

    $145.00
    300 PPM Carbon Monoxide, 1.45% (58% LEL) Pentane Simulant, 15% Oxygen, Balance Nitrogen, 103 Liter Steel Cylinder (MSA 10010162 Equivalent).
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Brand Replacement
  1. Biosystems
  2. Drager
  3. Industrial Scientific
  4. MSA
  5. RKI Instruments
Select Gas Type
  1. Multi-Gas Mix
Select Multiple Gases
  1. Carbon Dioxide
  2. Carbon Monoxide
  3. Hydrogen Sulfide
  4. Nitrogen Dioxide
  5. Oxygen
  6. Pentane
Cylinder Size
  1. 17 Liter Steel (3)
  2. 29 Liter Aluminum (2)
  3. 34 Liter Steel (4)
  4. 58 Liter Aluminum (15)
  5. 103 Liter Steel (14)
  6. 116 Liter Aluminum (3)
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