Interstate Pneumatics high quality aluminium CO2 cylinders with industry standard pin valves. Safety Burst Disc Brass Pin Valve. The Valve comes with safety relief valve and blow off valve to protect from accidental discharge due to unscrewing valve (NEVER UNSCREW VALVE FROM CO2 CYLINDER). The cylinder is rated for 1800 PSI for DOT (Department of Transport) for use in the United States. They have a current HYDRO test. Can be used for Paintball and other application, including despensing beer or soda. For Beer and Soda applications correct pin valve style regulator is required.