Edelbrock Nitrous Bottle #72321 is made from aluminum alloy and has a 10 lb. capacity. Includes an Edelbrock high flow CGA approved valve with a built-in siphon tube for consistent performance. It also features a venting system to prevent pressure increases beyond the safety level and is D.O.T. approved. This bottle has a silver powder coated finish, polished billet brackets and 14 feet of -6AN supply line.