Reliable and Durable: Made from high-strength, corrosion-resistant Aluminum Alloy 6061, this CO2 tank is significantly lighter and more portable than traditional steel cylinders while maintaining exceptional durability. Safety Certified: This tank features the necessary exterior markings required by the U.S. Department of Transportation(DOT) and includes the required tare weight stamps ensuring compliance with safety and reliability standards in both the U.S. And Canada. (Tanks are shipped empty) High Compatibility: Our CO2 Tank features a pre-installed CGA-320 valve and a male thread for CO2 regulators. The valve supports an 1800 PSI service pressure and 3000 PSI test pressure for diverse applications, including kegerator kit and draft beer dispensing system.