$128.73 34 Liter Steel Methane (CH4) quantity Add to cart SKU: G34L-CH4-30L-I Category: Gas Cylinders Description Description CH4, 30% LEL in air Related products Ammonia (NH3) $304.00 Add to cart Oxygen (O2) $95.00 Add to cart Hydrogen Chloride (HCL) $304.00 Add to cart Hydrogen Sulfide (H2S) $142.50 Add to cart