Mini CO2 Tank Pin Valve Fill Adapter from Power Tank. If you want to fill mini CO2 bottles 9, 12, 16, 20, 24 oz. with CGA-323 threads on a Pin Valve or On/Off Valve using our Power Filler 3 (CO2-2320) you will need this Pin Valve Fill Adapter. This tool attaches to the end of the fill hose and allows you to open the pin valve for filling.
CGA-320 to CGA-323