Detail [house2020]One-way Valve Wine Brewing Fermentation Plastic Air Lock Exhaust Valve Home Brew Barrel Tool
Description: This fermentation air exhaust valve can help to release the air inside a brewing barrel. You can use it to isolate air and makes the barrel interal environment fits for fermentation. It can release air smoothly and slowly, the a one-way valve design makes the air won't flow back. Made of plastic, it is not easy to break nor to crack, is healthy, non-toxic and convenient to be cleaned. The one-way exhaust valve is compact, won't take much space, easy to carry or store.