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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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Biosystems 54-9045E Replacement - 50 PPM Carbon Monoxide, 1.62% (50% LEL) Propane Simulant, 18% Oxygen, Balance Nitrogen (34L)
$62.0050 PPM Carbon Monoxide, 1.62% (50% LEL) Propane Simulant, 18% Oxygen, Balance Nitrogen, 34 Liter Steel Cylinder (Biosystems 54-9045E Equivalent). -
Biosystems 54-9071E Replacement - 50 PPM Carbon Monoxide, 50% LEL Pentane, 20.9% Oxygen (Air), Balance Nitrogen (34L)
$62.0050 PPM Carbon Monoxide, 50% LEL Pentane, 20.9% Oxygen (Air), Balance Nitrogen, 34 Liter Steel Cylinder (Biosystems 54-9071E Equivalent).
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