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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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BW Technologies CG-Q34-4 Replacement Gas for GasAlert MaxXT, Quattro, MicroClip and Micro5 (29L)
$165.0025 PPM Hydrogen Sulfide, 100 PPM Carbon Monoxide, 2.5% Methane, 18% Oxygen, Balance Nitrogen, 29 Liter Aluminum Cylinder (BW Technologies CG-Q34-4 Equivalent). -
BW Technologies CG-Q58-4 Replacement Gas for GasAlert MaxXT, Quattro, MicroClip and Micro5 (58L)
$248.0025 PPM Hydrogen Sulfide, 100 PPM Carbon Monoxide, 2.5% Methane, 18% Oxygen, Balance Nitrogen, 58 Liter Aluminum Cylinder (BW Technologies CG-Q58-4 Equivalent).
