Practical rubber stopper with a tapered shape for reliable sealing of bottles, demijohns, and containers during home beverage production. Thanks to the flexible material, it fits the neck precisely, ensures perfect tightness, and does not affect taste or aroma. The integrated 9 mm hole is ideal for an airlock or fermentation tube, enabling a safe fermentation process.
This quality rubber stopper is designed for home winemakers and brewers who require reliable and hygienic sealing of vessels during fermentation. The conical shape adapts to various neck diameters and, together with the flexible rubber, provides a stable and tight fit.
Thanks to the 9 mm diameter hole, you can easily insert an airlock or fermentation tube, allowing carbon dioxide to escape safely while the contents are protected from contaminants and air. The material is resistant to chemical reactions, long-term use, and does not retain odors or flavors.
- Universal use: for demijohns, bottles, and fermentation vessels.
- Safe fermentation: 9 mm hole for airlock accessories.
- Durable rubber: long lifespan, no transfer of flavors or odors.
- Precise sealing: conical shape for various neck diameters.
Specifications
- Top diameter
- 39 mm
- Bottom diameter
- 31 mm
- Height
- 35 mm
- Hole diameter
- 9 mm (for airlock/fermentation tube)
- Material
- Rubber
- Weight
- 34 g
