Features: 1Mainly used to connect gas cylinders for easy inflation. 2CGA320 // TR214 threaded connection good sealing no air leakage. 3This product uses durable materials corrosionresistant and wearresistant. 4Applicable to the United States Canada Brazil Colombia and the Philippines. 5Easy to install and use stable performance and long service life. Specification: Item Type: CO2 AdapterMaterial: AlloyColor: SilverWeight: Approx. 383g / 13.5ozTotal Length: Approx. 7.8cm / 3.1inThread Size: CGA320 // TR21-4Applicable Countries: The United States Canada Brazil Colombia the Philippines. (some countries are also called G1/2-14/0.825-14NGO)Purpose: It is the valve of the gas cylinder of the soda water machine/bubble water machine used to connect the gas cylinder/inflate Package List: 1 x Adapter6 x Gasket9 x Protective Ring1 x Right Angle Wrench1 x Brass Joint 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.