Works fine to carbonate beer, water, tea, or any other beverage. Constructed with aluminum and plastic for strength and longevity. Insert the CO2 cartridge, set the dial to your desired PSI, and attach to your keg. Included disconnect ensures a tight seal every time. 0-90 PSI gauge on regulator is accurate, not recommended for use with nitrogen. Continue to dispense pressure into your keg while away from home with this lightweight CO2 charg-er. Lightweight construction to keep your mobile setup simple. Portable size allows you to bring to any outdoor barbeque, party, or get together. The 5/16inch gas line assembly is made of 1m of white 5/16inch tubing attached to a ball lock disconnect. Simply clamp the open end of the tubing to your regulator or CO2 distribution block and hook up the disconnect fitting onto your keg and you are ready to pressurize and dispense your homebrewed beer. This gas line comes fully assembled with one loose clamp to attach your gas line. Name: CO2 Charger Thread: Tr21 x 4 colour: as shown Material: aluminum + plastic Package Contents: 1 x 1meter 5/16inch Hose 1 x CO2 Charger