WJMY Fermentation Airlock and Bung for Brewing Home Air Locks (4 Pcs)

MATERIAL. Reusable and easy to clean thanks to food-safe plastic. The fermentation fermentation tube is made of high quality BPA-free polypropylene, and the fermentation plug is made of food grade rubber. EASY TO USE. You simply need to 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. Fermentation tubes the entire fermentation process is automatic fermentation without manual control and can be used several times for a long time. APPLICATION. Brewing airlock can be used for preserving, wine making, beer brewing, fermenting sauerkraut, kimchi that can satisfy your daily fermentation need. Package contains: 4 x Fermentation Airlock and 4 x Rubber Bungs. Dimensions 6.97''x2.07 ''. Color transparent and red.