“Hydrogen Sulfide (H2S)” has been added to your cart. View cart $95.00 103 Liter 1 in stock Methane (CH4) quantity Add to cart SKU: G103L-CH4-20L-I Category: Gas Cylinders Description Description CH4, 20% LEL in air Related products Hydrogen Chloride (HCL) $304.00 Add to cart Hydrogen (H2) $95.00 Add to cart Phosphine (PH3) $304.00 Add to cart Carbon Dioxide (CO2) $109.25 Add to cart