Ideal for carbonating or quickly cleaning your beer line.

It will fit perfectly on Fermzilla or any other product with a PCO 1881 thread (Coke bottle).

The caps are available in 2 colors: yellow and red so you can remember which is for gas, and which is for liquid. But both colors are compatible for both liquids and gases.

- Compatible with liquids and gases

- Made from high-quality engineering plastic, it's sure to last.

- Chemical-resistant and very robust

- Thread specification: PCO 1881 (Coke bottle thread)

- Also suitable for all FermZilla products such as the FermZilla pressure kit.