2PCS 3-Piece Brewing Airlock with Grommet for Fermentation Wine Beer DIY

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Achieve reliable fermentation results with this 2-piece 3-part brewing airlock set, ideal for homebrewing beer, wine, cider, kombucha, or fermented vegetables. Each airlock is made from BPA-free PP plastic with a secure-fit rubber grommet, allowing CO₂ to escape during active fermentation while preventing oxygen or contaminants from entering the fermenter. The transparent design makes it easy to monitor bubbling activity. This classic 3-piece airlock structure is easy to disassemble for thorough cleaning and reuse. Simply drill a 12mm (1/2 inch) hole in your fermenter lid, insert the grommet, and push in the airlock stem for an airtight seal. Features 3-piece fermentation airlocks allow gas to escape while blocking air from re-entering Made from BPA-free plastic, safe for all home fermentation projects Transparent design makes it easy to monitor fermentation progress Reusable and easy to clean, can be soaked in sanitising solution Includes grommets for secure and airtight lid installation Specifications Material:  PP plastic Fitment Hole Size: 12mm (1/2 inch) Airlock Type: 3-piece style Length: 11.5cm Diameter (widest point): 4cm Colour: Clear Suitable for: Beer, wine, kombucha, sauerkraut, kimchi, and more Package Includes 2 × 3-piece fermentation airlocks 2 × Grommets for lid sealing Notes Silicone stoppers/plugs are not included. Ensure grommet fits securely for proper airtight performance. Slight colour or size variation may occur due to lighting or manual measurement. Soak parts in sanitiser before and after each use for optimal hygiene.