Description : CO2 Refill Adapter with 6 pcs gaskets , no gas leakage when connected to the cylinder , good sealing performance ; The Soda Adapter is made of premium brass material , it is durable , wear - resistant ; The Soda Refilling Station Adapter can easily inject carbon dioxide into the water bottle ; The Soda Bottle Adapter can be used with large CO2 tank with CGA320 or W21 . 8 connector . Please invert your CO2 tank if you can not refill when the CO2 tank standing , because some of tank have not the dip tube ( syphon tube ) inside . Specification : CGA320 connector ( USA , CAN , Brazil , Colombia , Philippines ...) DIN477 / W21 . 8 - 14 ( right hand ) Connector / JIS m22 - 14 Valve of CO2 Tank ( KOR , JP , UK , Germany , France , Poland , Norway , Switzerland , Russia , Ukraine , South Africa , Sweden , Chile , Czech Republic , Singapore ,...) Package Includes : 1 Piece CO2 Cylinder Refill Adapter