2-Gas Calibration Mix 34L Aluminum - 25 ppm H2S, 50% LEL CH4

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25 PPM Hydrogen Sulfide, 2.5 % Methane (50 % LEL) , Balance Air (20.9 % Oxygen balance Nitrogen) contained in a 34 Liter Aluminum cylinder With a C-10 connection. SDS # G-6615 gas wt.= 0.0442 kg.,UN1956Part Number: 34L-405Tolerance: ±5%Shelf Life: 24 months Show more