Plastic One Way Exhaust Brew Check Valve Air Lock Water Sealed Valves for Home Beer Wine Making Fermentation

Great Sealing Performance:The one way exhaust check valve can emit carbon dioxide for honey ,white wine ,milk wine alcohol fermentation and can prevent oxidation Easy Operation:Simply fill water into the exhaust valve ,insert to the cover of the brew barrel or rubber plug on the top of the fermentation container and then cover the valve with the lid Cover included:This brew check valve can effectively prevent flies from flying into the wine/beer with a cover included ,provide you with a clean and hygienic brewing process Automatic Fermentation:All of the fermentation process is automatic fermentation without manual control and this wine check valve can be repeatedly used for a long time Widely Used:This exhaust seal valve is suitable for pure fermentation ,such as white grapes ,honey wine fermentation ,red wine secondary fermentation ,etc