“Carbon Dioxide (CO2)” has been added to your cart. View cart $241.30 120 Liter 1 in stock Hydrogen Sulfide (H2S), Carbon Monoxide (CO), Methane (CH4), Oxygen (O2) quantity Add to cart SKU: GFX120-140-2500-I Category: Gas Cylinders Description Description Hydrogen Sulfide 10 ppm/ Carbon Monoxide 50 ppm/ Methane 2.5% (50% LEL)/ Oxygen 18.0%/ N2 Related products Hydrogen Chloride (HCL) $304.00 Add to cart Hydrogen (H2) $95.00 Add to cart Nitrogen (N2) $95.00 Add to cart Chlorine (Cl2) $323.00 Add to cart