Calibration Gas

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100 PPM Carbon Monoxide, 50% LEL Methane, 25 ppm Hydrogen Sulfide, 18% Oxygen, Balance: Air, Calibration Gas –404 -421

Equivalent to:  BW Technol P/N: CG-Q58

100 PPM CO, 50% LEL Methane, 25 ppm H2S, 18% O2, Balance: Air

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Price: from $60.00

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