6 Pack Fermentation Airlock S Shape Air Lock Bubbler Air Lock Brewing Airlock Fermenter Check Valve Airlock

Material: made of high quality plastic, environmentally friendly non toxic harmless, no bacteria, safe use.

Use single seal valves principle, this principle can be effectively cut off the outside air oxidation of the fermentation medium.

This airlock is filled partially with liquid and it sticks in the top of a drilled stopper and into the top of the fermenter. It allows fementation gas to escape and prevents harmful bacteria from getting in.

Without manual control, simple and easy to use, operation, and also can long term repeated use.

Easy to Clean: The Fermentation Airlock is practically designed and easy to clean. The airlock can be disassembled. You only need to use a small brush to clean it thoroughly.