3 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.