CO2 Cylinder Adapter for Refilling, Easy Install CO2 Adapter for Car Tank with
【Material】 Soda Refill Bottle Co2 Adapter constructed from brass for durability. 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. It's just take you 1 minute.