3 Piece Airlock

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A 3-piece airlock is a simple, reliable tool used during fermentation to let carbon dioxide escape while keeping outside air, dust, and contaminants out of your fermenter. It helps protect your beer, wine, mead, cider, or spirits mash during active fermentation without building up excess pressure. The 3-piece design is easy to take apart, clean, and sanitize, making it a favorite for both beginner and experienced home fermenters. It works by filling the airlock with sanitizer or water, then fitting it into a stopper or grommeted lid. As fermentation progresses, gas bubbles out through the liquid barrier while the batch stays protected. Show more