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

Perfect for secondary fermentation. Usage: After sterilized adding water to the exhaust valve one third. After both sides of the exhaust valve's water in the parallel state, gently insert the brewing bucket lid. When liquid was ferment generated bubbles, through the exhaust valve discharged to buckets outside, All the fermentation process is in normal temperature, automatic fermentation, exhaust, without manual control. Principle: Use single seal valves principle, this principle can be effectively cut off the outside air oxidation of the fermentation medium. All the fermentation process is in normal temperature automatic fermentation, exhaust. Without manual control, simple and easy to use, operation, and also can long term repeated use. Specification: Material: plastic Color: White Package includes: 2pcs x S Shape Air Lock