Ideal for homebrewers, fermenting enthusiasts, and handbuilt food preservers crafting kombucha (1 Set) number 6 bungs & Grommet Fermentation airlocks Kombucha Brewing set Essential brewing and fermentation tool with 4 airlocks and 4 silicone gaskets for closed sealing, oxidation, and responsible fermentation processes Perfect for kitchen countertops, cellar fermentation stations, or small batches production setups requiring none environments for pickled vegetables, fruit juices, or homemade alcoholic beverages Multi functional airlocks set serves as versatile fermentation equipment consistent with glass jars, carboys, and brewing containers across food preservation, vegetable fermentation, and beverage crafting projects Features detachable design for thorough cleaning using small brushes or bleaches soaking, constructed from unscented food grade PP and strong black silicone for safe food preservation and brewing applications