This little device can be used in many ways!
1. Screw it onto a plastic soda/ water bottle then attach a gas ball lock disconnect to it to carbonate liquids. Bubbly water at a fraction of the cost!
2. Screw it onto a plastic soda/ water bottle then attach a liquid ball lock disconnect to it to clean kegerator lines.
3. Use it with you Fermzilla to pressure ferment or purge the collection container of oxygen.
28mm PCO 1881 Threads
Please note: The threaded section of the bottleneck must be at least 1/2" long to form a seal. These caps are not compatible with KegLand 500mL PET Bottles.