Features: 1CO2 cylinder filling adapter made of highquality materials and is durable. 2W21.814 // TR214 threaded connection with good airtightness and no air leakage. 3Surface is polished corrosion resistant and long service life. 4Exquisite workmanship excellent performance suitable for soda water machine. 5Simple installation method used to connect gas cylinder and the inflation is stable and convenient. Specification: Item Type: CO2 Refill AdapterMaterial: BrassSurface Treatment: PolishedWeight: Approx. 383g / 13.5ozTotal Length: Approx. 7.8cm / 3.1inThread: W21.8-14 // TR21-4Applicable Countries: South Korea Japan Britain Germany France Poland Norway Switzerland Russia Ukraine South Africa Sweden Chile Czech Republic Singapore.. (some countries are also called DIN477 /JIS m22-14)Purpose: It is the valve of gas cylinder of 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 Joint1 x Manual 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.