Practical rubber stopper No. 3 is ideal for sealing glass demijohns with a capacity of 10–25 liters. Thanks to the soft and adaptable material, it seals perfectly and is easy to insert into the neck. The integrated 9 mm hole for an airlock supports a safe fermentation process without unwanted gas escape. Its chemical resistance ensures the stopper does not affect the taste or aroma of the beverage.
Looking for a reliable, reusable solution for closing glass demijohns? The rubber stopper with a 9 mm hole is designed for 10–25 l volumes and, thanks to its soft material, conforms precisely to the neck shape, ensuring a secure, airtight seal during fermentation.
The chemically resistant material preserves the character of the final drink — without transferring tastes or odors. The integrated 9 mm hole allows easy insertion of an airlock and control of fermentation.
- Easy application: soft rubber for quick insertion and removal
- Tightness and safety: stable fit to prevent air leakage
- Compatibility: 10–25 l demijohns, 9 mm airlocks
- Hygiene and neutrality: material does not affect taste or aroma
