Refill Bottle CO2 Cylinder Adapter,Replacement Easy Installation CO2 Adapter for
【Material】 Soda Refill Bottle Co2 Adapter constructed from brass for durability. It's just take you 1 minute. We'd like to settle any problem in a friendly manner. 1 TR21-4 to CGA320 Adapter. 1 TR21-4 to W21.8-14 Adapter.