Rubber Bung with Cap for Demijohn Container, Size KZ 43

This white rubber bung, equipped with a hole and locking cap, is an essential accessory for demijohns or compatible containers. Made from durable, high-quality rubber, it provides a secure and tight seal that prevents unwanted air from entering. Its flexible design ensures a snug fit within the container’s neck, delivering a reliable and airtight closure.

The bung features a precisely drilled hole intended to hold airlocks or other attachments, making it suited for fermentation purposes. This hole permits gases to escape while blocking contaminants from entering, maintaining a clean and controlled environment during brewing, winemaking, or other fermentation activities. The locking cap adds an extra measure of safety by sealing the opening when airlocks or fittings are not in use.

Beyond its functionality, this white rubber bung is easy to handle and maintain. Its smooth surface allows for straightforward cleaning and installation, ensuring hygiene and readiness for repeated use. Ideal for home brewers, professional winemakers, or laboratory technicians, it combines reliability, versatility, and convenience, making it a vital tool in fermentation setups.