54/50mm Rubber Stopper for Demijohn Container

White rubber bungs are vital sealing components for demijohns and other compatible vessels used in a variety of applications such as winemaking, brewing, and laboratory work. Made from durable, premium-quality rubber, these bungs provide a secure, tight fit that effectively blocks air and contaminants from entering the container.

Available in multiple sizes to fit different container openings (sizes sold separately), their flexible rubber construction ensures a dependable seal that maintains the integrity of the contents and supports the overall quality of the finished product. The clean white colour lends a neat and professional appearance, suitable for both personal and commercial use.

In addition to excellent sealing performance, these rubber bungs are easy to sanitize and reuse, offering a practical and economical solution for long-term usage. Whether for fermentation, storage, or experimental purposes, they provide an efficient way to protect and preserve the contents of demijohns and similar containers, ensuring consistently optimal results.