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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 1810-2324 Replacement - 250 PPM Carbon Monoxide, 25% LEL Pentane, 19% Oxygen, Balance Nitrogen (103L)
$145.00250 PPM Carbon Monoxide, 25% LEL Pentane, 19% Oxygen, Balance Nitrogen, 103 Liter Steel Cylinder (Industrial Scientific 18102324 Equivalent). RFID tag is not included. -
Industrial Scientific 1810-4455 Replacement - 50 PPM Carbon Monoxide, 50% LEL Pentane, 19% Oxygen, Balance Nitrogen (103L)
$145.0050 PPM Carbon Monoxide, 50% LEL Pentane, 19% Oxygen, Balance Nitrogen, 103 Liter Steel Cylinder (Industrial Scientific 18104455 Equivalent). RFID tag is not included. -
RKI Instruments 81-0093RK-03 Replacement - 50 PPM Carbon Monoxide, 25% LEL Pentane, 12% Oxygen, Balance Nitrogen (103L)
$145.0050 PPM Carbon Monoxide, 25% LEL Pentane, 12% Oxygen, Balance Nitrogen, 103 Liter Steel Cylinder (RKI Instruments 81-0093RK-03 Equivalent). -
Biosystems 54-9070E Replacement - 50 PPM Carbon Monoxide, 50% LEL Pentane, 20.9% Oxygen (Air), Balance Nitrogen (103L)
$145.0050 PPM Carbon Monoxide, 50% LEL Pentane, 20.9% Oxygen (Air), Balance Nitrogen, 103 Liter Steel Cylinder (Biosystems 54-9070E Equivalent).
