Plastic Fermzilla / Carbonation Cap
Regular price £5.95
Works better and are cheaper than the metal carbonation caps.
This is for 1 fitting only.
Designed specifically to use with your Fermzilla.
Seals a lot better than the metal version. Needs to be hand tightened only and provides a perfect seal on the plastic ports on your Fermzilla. No PTFE or line needed.