Ball-lock steel carbonation cap

FermZilla Ball-lock stainless steel carbonation and line cleaning cap.

The thread is suitable for 0.5, 1 and 2L PET bottles, so the bottle can be turned into a convenient travel water bottle.
Ball lock compatible with gas and beverage connections
Fermenting with a FermZilla? This is the same Ball-lock connector that comes with the FermZilla Pressure Kit and is also compatible with the FermZilla Yeast Collection Container.