2Pcs Demijohn Airlock & Bung Set, Anti-Break Plastic Bubbler with Silicone Bung, Airtight Fermentation Stopper for Wine Cider Mead Kombucha

• Dual Function for Fermentation: Professional airlock set releases excess CO₂ and blocks outside air & bacteria, effectively protect fermentation process for wine, cider and kombucha.
• Durable Material Combo: Shatterproof plastic airlock (better than glass) + high-elastic silicone bung, tighter seal than ordinary rubber, long service life.
• Standard Size Fit: Bung top 32mm / bottom 25mm, matched with 12mm grommet, fits most demijohns and fermentation buckets.
• Special Cone Design & Warm Tip: The bung adopts steep cone for strong sealing. Please install gently and avoid over-pushing to prevent slipping into the bottle neck.
• Reusable & Easy to Use: Reusable brewing accessories, simple to assemble and clean, ideal for home brewers and amateur makers.

Perfect for home brewers, this set of 2 airlocks comes complete with demijohn bungs and grommets, making it ideal for fermentation buckets or demijohns. The robust plastic construction withstands extensive use and ensures long-lasting performance. Designed as a essential part of your home brew kits, these airlocks keep unwanted air from contaminating your brewing process while allowing excess carbon dioxide to safely escape. The set includes silicon bungs that provide a more secure seal compared to rubber alternatives, designed to fit snugly into demijohns and standard-sized bore holes. Whether crafting wine, cider, mead, or kombucha, these airlocks prevent air borne bacteriumfrom compromising your results. Each airlock measures a standard size of 17cm/6”, compatible with most conventional vessels. Package Include: 2 Plastic Airlocks, 2 Silicon Bungs, 2 Grommets.