#7.5 Drilled Rubber Stopper (Bung) for Fermentation Buckets

#7.5 Drilled Rubber Stopper for Fermentation Buckets Secure Your Fermentation with the Perfect Fit The #7.5 drilled rubber stopper is designed to provide a snug, reliable seal for fermentation vessels. Measuring 37 mm at the top and 31 mm at the bottom, this bung is the ideal size for fermentation bucket lids, ensuring your fermentations stay protected while allowing gases to escape safely through an airlock. Key Features: Dimensions: 37 mm top diameter, 31 mm bottom diameter Perfect Fit: Specifically sized for standard fermentation bucket lids Drilled Hole: Ready to accept airlocks for secure fermentation control Durable Rubber: Flexible and long-lasting material ensures a tight seal Brewing Applications: Pair this stopper with a Double Bubble Airlock or a Three Piece Airlock to complete your fermentation setup. Whether you’re brewing beer, cider, mead, or wine, this #7.5 drilled bung makes it easy to maintain a clean, controlled fermentation environment.