Features: 1Use CGA320 // TR214 thread good sealing performance no gas leakage. 2With release valve stable inflation it is a perfect accessory for carbon dioxide cylinders. 3One end of adapter can be connected to soda wire and the other end is an external thread quick disconnect adapter. 4With a soda ASA 1500PSI pressure gauge stable performance durable to use. 5The CO2 filling adapter is made of highquality brass and is resistant to high pressure. Specification: Item Type: CO2 AdapterMaterial: BrassColor: Yellow and BlackWeight: Approx. 350g / 12.3ozTotal Length: Approx. 15.5cm / 6.1inThread Size: CGA320 // TR21-4Applicable Countries: The United States Canada Brazil Colombia the Philippines (are also called G1/2-14/0.825-14NGO in some countries)How it Works:1. Screw the adapter onto the CO2 gas cylinder2. Screw the empty CO2 bottle into the on/off recharge adapter3. Open the valve of the culinderbottle4. After 15-20 seconds the cylinder is completely filled5. Close the atmospheric cylinder valve6. Open the exhaust valve screw to discharge residual gas unscrew the screw of the carbon dioxide container and finish. Package List: 1 x Soda Adapter2 x White Gasket1 x Transparent Gasket Note: 1.Please allow 0‑1 inch error due to manual measurement. Thanks for your understanding.2.Monitors are not calibrated same item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.