“Propane (C3H8)” has been added to your cart. View cart $95.00 103 Liter Methane (CH4) quantity Add to cart SKU: G103L-CH4-20L-I Category: Gas Cylinders Description Description CH4, 20% LEL in air Related products Carbon Monoxide (CO) $109.25 Add to cart Phosphine (PH3) $304.00 Add to cart Ammonia (NH3) $304.00 Add to cart Nitric Oxide (NO) $304.00 Add to cart