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[Multi functional use] Air locks can be used in various fermentation projects to preserve food. As a brewing airlock, Niang, pickled Chinese cabbage, broccoli, carrots and ginger, and pickles.
[Good airtightness] The good airtightness of the fermentation air lock makes fermentation easier, effectively isolating air, and preventing oxidation. Automatic exhaust at room temperature without manual control.
[Package Content] Includes 6 pre assembled 3-piece air locks. All parts are BPA free.
[Easy to clean] Every home brewery and fermentation plant knows how and why to use air locks.