S-Shape Airlocks Check Valve, Plastic Bubble Airlock Wine Bottle Stopper Fermenter Seal Valve With Grommet for Wine Beer Making(12pcs with Grommets)

It can emit carbon dioxide for honey, white wine, milk wine alcohol fermentation and can prevent oxidation.Material: PlasticColor: as shownSub-Type: AirlocksPackage content: according to your choiceNote1. Please allow 1-2cm error due to manual measurement.2. Due to the computer display colour difference, the actual product colour may be slightly different from the picture.3. If you have any questions about this product, please feel free to contact us. We will reply you within 24 hours.Thank you very much for your support.Wish you happy shopping!

• Materials: Made of durable PP plastic, these airlocks are eco-friendly and designed for long-term use.
• Automatic Fermentation: Enjoy hands-free fermentation with these airlocks that prevent oxidation and CO2 emissions.
• Easy to operate: Simply fill water into the exhaust valve, insert it to the cover of the brew barrel or rubber plug on the top of the fermentation container and then cover it with the lid.
• Fly-proof: Equipped with a lid to prevent flies from entering, ensuring a clean and hygienic fermentation process.
• Versatile: Suitable for pure juice fermentation, such as white grapes, honey wine fermentation, red wine secondary fermentation, etc.