KEILEOHO 20 Pack Drilled Natural Rubber Stopper # 6, Solid Rubbers Stoppers Bungs, Rubber Stopper with 5/16 Inch Diameter Holes for glass jug, Carboy Tapered Bung

Why Choosing Us? ● Our airlock for wine making is made from the food grade silicone. It features the healthier, heat resistant, waterproof and high wear resistance. ● Rubber stopper with hole provides and excellent grip and air-tight seal on glass and PET surfaces even when wet. ● With the use of silicone plugs on airlock for the beer fermentation can be carried out a good isolation of the air. It can be used for honey, white wine, milk alcohol fermentation and prevent oxidation. ● This is a drilled tapered rubber for a better seal and holds the airlock securely in place. Besides, the airlock stopper is comfortable and not easily deformed. ● This silicone stopper is fitted for carboy and bubble airlock and glass fermentation tank. Premium rubber is ideal for laboratory, household, and industrial applications. Product Details Material : Rubber Colour : White Size : 1.3 x 1.02 x 0.98 inches Hole diameter : 5/16 inches Packing Includes 20 x Drilled Rubber Stopper # 6

• FOOD GRADE NATURAL RUBBER - Crafted from premium natural rubber, this carboy airlock stopper is designed to be heat-tolerant, waterproof, and highly durable—making it a safe and reliable choice for food and beverage applications.
• EXCELLENT GRIP AIRTIGHT SEAL - The stoppers rubber provides strong traction and maintains an airtight seal on glass, plastic, and other surfaces, even when wet.
• COMFORTABLE AND NOT EASILY DEFORMED - Because airlocks for fermenting is made of natural rubber, it feels comfortable and not easily deformed. Product with holes is perfect for the common fermentation airlocks, offering a secure and functional connection.
• MULTIPLE USES - The carboy stopper can be used in furniture, glass tabletops, chemicals, automobiles, test tubes, gas cylinders and other glassware, and it has a dust-proof function on electronic products and household products.
• EASY TO CLEAN REUSABLE - Smooth surface allows for quick cleaning and sanitizing. Designed for repeated use in brewing, winemaking, pickling, and other fermenting projects—a practical addition to any kitchen, lab, or workshop.