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GASCO 58L-421 100 PPM Carbon Monoxide, 25 PPM Hydrogen Sulfide, 2.5% Methane (50% LEL) , 18% Oxygen, Balance Nitrogen Calibration Gas 58 L
Part #GASCO 58L-421
Legacy #05815629
MFG #58L-421
CALIBRATION GAS, MIX: H2S (25 PPM), CO (100 PPM), METHANE 2.5% (50% LEL), O2 (18%), N BALANCE, 58L
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