KADAX Rubber Cork for Demijohn and Carboy, Durable Stopper with Hole Airlock or Fermentation Lock, Convenient Wine Making Equipment (4.5 cm)

Airtight: The rubber stopper fits snugly into the neck of the demijohn, creating an airtight seal when used with a fermentation lock. This seal is crucial for preserving the flavour of the wine by preventing oxygen from entering. Rubber: The non-reactive nature of the material ensures it will not add any unwanted aromas or flavours to the wine, protecting the effort put into creating the unique homemade product. Easy to clean: The product is easy to clean and sterilise, which is essential in brewing and winemaking to prevent contamination and spoilage. Safe: The stopper has been rigorously tested to meet health and safety standards. It is approved for contact with food and alcohol, assuring users of its high quality and suitability for winemaking. Compatible: These corks come in various sizes to fit different demijohns, carboys or containers. They are marked with two values, indicating their width at the top and bottom, making it easy to select the right size., Weight: 0.1322773572 pounds, Manufacturer: KADAX