Description
Secure Your Fermentation with Precision
Ensure an airtight seal for your demijohns and compatible vessels with this high-quality white rubber bung. Engineered for reliability, this stopper is an essential component for homebrewing, winemaking, and laboratory applications, effectively locking out contaminants and oxygen to protect your liquids.
Technical Specifications
- Dimensions: 41mm (top diameter) / 37mm (bottom diameter)
- Material: Durable, high-grade rubber
- Colour: White
- Compatibility: Designed for standard demijohn openings
Key Benefits
- Reliable Seal: The flexible, elastic nature of the rubber ensures a snug, leak-proof fit, maintaining the integrity of your fermentation or storage process.
- Professional Finish: The clean white aesthetic is suitable for both commercial production and home-based projects.
- Reusable & Practical: Easy to sanitize and built for longevity, providing a cost-effective solution for repeated use across various brewing and storage tasks.
Note: Please ensure you measure your container opening carefully to confirm the 41/37mm size is the correct fit for your specific equipment.


