Water Sealed Check Valve Airlock – Ideal for Home Brewing Beer, Wine, Cider, and Secondary Fermentation This 3piece plastic airlock is designed for reliable fermentation in home brewing applications, ensuring quality results and protecting your batch from unwanted contamination. Its watersealed check valve construction provides a oneway exhaust system, allowing gases to escape while preventing liquids or air from flowing back into your fermenter. Key Benefits: Maintains fermentation conditions by isolating your beer, wine, or cider from outside air. Releases carbon dioxide and fermentation gases without allowing harmful bacteria, dust, or insects to enter. Prevents backflush into the chamber caused by changes in ambient temperature. Standard size airlock fits any homebrew stopper, cork, cap, plug, bung, or grommet with a 3/8inch hole. Durable, foodsafe plastic construction, designed for repeated use. Specifications and Compatibility: Type: 3piece watersealed check valve airlock Material: Quality foodgrade plastic Fits: Standard homebrew stoppers, corks, plugs, bungs, and grommets with 3/8inch opening Use: Beer brewing, wine making, cider fermentation, and preserving brewed beverages Practical Applications: 1. Beer Brewing – Attach to your fermenter during primary or secondary fermentation to safely release CO2 and prevent contamination. 2. Wine Making – Maintain a clean fermentation environment by blocking airborne particles, insects, and unwanted microbes. 3. Cider Fermentation – Keep flavor pure and fermentation active while preventing oxygen exposure. Performance Features: Reliable oneway venting to control fermentation pressure. Simple to clean and assemble for reuse in multiple brewing cycles. Transparent design allows for easy monitoring of fermentation activity. This water sealed check valve airlock is a dependable choice for home brewers who value quality, consistency, and safety in their fermentation process. Its universal fit and effective isolation make it a versatile tool for beer, wine, cider, and other brewing projects.