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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.
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Industrial Scientific 1810-9181 Replacement - 25 PPM Hydrogen Sulfide, 200 PPM Carbon Monoxide, 25% LEL Pentane, 18% Oxygen, Balance Nitrogen (58L)
$248.0025 PPM Hydrogen Sulfide, 200 PPM Carbon Monoxide, 25% LEL Pentane, 18% Oxygen, Balance Nitrogen, 58 Liter Aluminum Cylinder (Industrial Scientific 18109181 Equivalent). RFID tag is not included. -
Industrial Scientific 1810-4521 Replacement - 100 PPM Carbon Monoxide, 5% Carbon Dioxide, 25% LEL Pentane, 19% Oxygen, Balance Nitrogen (103L)
$145.00100 PPM Carbon Monoxide, 5% Carbon Dioxide, 25% LEL Pentane, 19% Oxygen, Balance Nitrogen, 103 Liter Steel Cylinder (Industrial Scientific 18104521 Equivalent). RFID tag is not included. -
Industrial Scientific 1810-4448 Replacement - 50 PPM Carbon Monoxide, 25% LEL Pentane, 19% Oxygen, Balance Nitrogen (34L)
$62.0050 PPM Carbon Monoxide, 25% LEL Pentane, 19% Oxygen, Balance Nitrogen, 34 Liter Steel Cylinder (Industrial Scientific 18104448 Equivalent). RFID tag is not included. -
Industrial Scientific 1810-9191 Replacement - 25 PPM Hydrogen Sulfide, 100 PPM Carbon Monoxide, 25% LEL Pentane, 18% Oxygen, Balance Nitrogen (29L)
$165.0025 PPM Hydrogen Sulfide, 100 PPM Carbon Monoxide, 25% LEL Pentane, 18% Oxygen, Balance Nitrogen, 29 Liter Aluminum Cylinder (Industrial Scientific 18109191 Equivalent). RFID tag is not included. -
Industrial Scientific 1810-7995 Replacement - 25 PPM Hydrogen Sulfide, 100 PPM Carbon Monoxide, 2.5% Carbon Dioxide, 25% LEL Pentane, 19% Oxygen, Balance Nitrogen (58L)
$248.0025 PPM Hydrogen Sulfide, 100 PPM Carbon Monoxide, 2.5% Carbon Dioxide, 25% LEL Pentane, 19% Oxygen, Balance Nitrogen, 58 Liter Aluminum Cylinder (Industrial Scientific 18107995 Equivalent). RFID tag is not included. -
Industrial Scientific 1810-3473 Replacement - 100 PPM Carbon Monoxide, 2.5% Carbon Dioxide, 25% LEL Pentane, 19% Oxygen, Balance Nitrogen (103L)
$145.00100 PPM Carbon Monoxide, 2.5% Carbon Dioxide, 25% LEL Pentane, 19% Oxygen, Balance Nitrogen, 103 Liter Steel Cylinder (Industrial Scientific 18103473 Equivalent). RFID tag is not included. -
Industrial Scientific 1810-5676 Replacement - 100 PPM Carbon Monoxide, 25% LEL Pentane, 15% Oxygen, Balance Nitrogen (103L)
$145.00100 PPM Carbon Monoxide, 25% LEL Pentane, 15% Oxygen, Balance Nitrogen, 103 Liter Steel Cylinder (Industrial Scientific 18105676 Equivalent). RFID tag is not included. -
Industrial Scientific 1810-9157 Replacement - 25 PPM Hydrogen Sulfide, 100 PPM Carbon Monoxide, 25% LEL Pentane, 18% Oxygen, Balance Nitrogen (116L)
$445.0025 PPM Hydrogen Sulfide, 100 PPM Carbon Monoxide, 25% LEL Pentane, 18% Oxygen, Balance Nitrogen, 116 Liter Aluminum Cylinder (Industrial Scientific 18109157 Equivalent). RFID tag is not included. -
Industrial Scientific 1810-9180 Replacement - 25 PPM Hydrogen Sulfide, 25% LEL Pentane, 18% Oxygen, Balance Nitrogen (58L)
$248.0025 PPM Hydrogen Sulfide, 25% LEL Pentane, 18% Oxygen, Balance Nitrogen, 58 Liter Aluminum Cylinder (Industrial Scientific 18109180 Equivalent). RFID tag is not included. -
Industrial Scientific 1810-4463 Replacement - 50 PPM Carbon Monoxide, 25% LEL Pentane, 19% Oxygen, Balance Nitrogen (103L)
$145.0050 PPM Carbon Monoxide, 25% LEL Pentane, 19% Oxygen, Balance Nitrogen, 103 Liter Steel Cylinder (Industrial Scientific 18104463 Equivalent). RFID tag is not included.
