4PCS S Shape Twin Bubble Airlock, One Way Exhaust Valve Bubble Airlock Homebrew Fermentation for Wine Beer Making

Features:With the use of rubber stopper with holes or silicone plug, for red wine fermentation can be in a very good isolation of air during the secondary fermentation, meanwhile it can emit carbon dioxide,for honey, white wine, milk wine alcohol fermentation can prevent oxidation.Specification:Material: PlasticSize: 10 * 170mmSub-Type: AirlocksFor: Pure juice fermentation, such as white grapes, honey wine fermentation, red wine secondary fermentation，etc.Drink: All Homebrew, Beer, Wine, Cider, SpiritsPackage includes:1 x Check valve

• GREAT MATERIAL: This transparent airlock is made of food-grade plastic with transparent color, which allows you to tell exactly when fermentation is slowing and eventually has stopped and it will last a lifetime with good care.
• PREVENT BACK-FLUSH: Use the S-Shape Bubble Water Airlock Grommet Airlocks for Fermenting, Exhaust Seal Valves – Beer Wine Making Fermentation to prevent back-flush in the fermentation chamber (cut off outside air oxidation and allow gas to escape).
• BREW YOUR FAVORITE BEVERAGES: For secondary fermentation of homebrewed beer, wine, cider, juice, and more; Can be used for long-term repeated use on fermenters typically up to 20 gallons.
• EASY TO USE: Fill part-way with water in the exhaust valve, affix to the fermenter with a brew barrel cover or rubber plug/stopper on the top of the fermentation container, and cover with a lid; Instead of unattractive and poor quality drilled holes in the cap, these airlocks release CO2 through the ridges inside the cap that keep it from forming a complete seal.
• WATCH THE MAGIC HAPPEN: Clear, transparent plastic standard traditional fermentation airlock that gives you a clear look inside, so you can watch the airlock do the hard work for you.