33/29mm Rubber Stopper for Demijohn Container

White rubber bungs are vital accessories designed for securely sealing demijohns and other compatible vessels used in winemaking, brewing, and laboratory applications. Constructed from robust, high-quality rubber, these bungs provide a snug and secure fit that effectively blocks air and contaminants from entering the container.

Available in various sizes to fit different container openings (sizes sold separately), their flexibility ensures a reliable seal that preserves the contents and helps maintain the quality of your product. The clean white colour offers a neat and professional appearance suitable for both hobbyists and commercial users.

Besides their excellent sealing properties, these rubber bungs are easy to clean and sanitize, enabling repeated use and making them an economical choice for long-term applications. Ideal for fermentation, storage, and experimental purposes, they provide an efficient solution to protect and maintain the integrity of demijohn contents consistently.