CO2 Convertor Female Tr21-4 to Male G1/2-14 for Sodastream Cylinder to ASA Tank Adapter

Specification:
Brand Name: ZimKyfa
Condition: 100% Brand New
Color: Black
Type:  Female Tr21-4 Thread to Male ASA paintball (G1/2"-14)

Package Included:
1 * Aquarium Connector Adapter

Installation and operation guide

Open up the regulator a bit to reduce the pressure on the adapter when tightening. Then close regulator quickly once bottle is full fastened.
Open the beer valve a little bit first, and then twist the soda bottle to the joint, so that there is less air leakage.