3Pcs Homebrew Air Lock with Sealing Ring for Beer Wine Fermentation Brewing Accessory

Feature: 1. Allow carbon dioxide to escape and prevent the air from polluting your beer or wine. 2. Made of food?grade transparent plastic, environmentally friendly, non?toxic, durable. 3. It can fits into grommeted lid or drilled bung for beer and wine fermentation. 4. Homebrew air lock, easy to clean, with sealing rings, perfect for securing airlock during fermentation. 5. This airlock or fermentation lock is filled partially with liquid (water), sticks in top of a drilled stopper and onto top of your fermentor. 6. Sealing rings for 15 25,30 and 60 litre fermenter homebrew, help maintain ferment for a longer period. Specification: Condition: 100percent Brand New Item Type: Homebrew Air Lock Material: Plastic Weight: Approx. 80g / 2.8oz Size: Height: Approx. 120mm / 4.72in Outer Diameter(OD): Approx. 34.46mm / 1.36in Inside Diameter(ID): Approx. 31.37mm / 1.24in. Package List: 3 x Air Lock3 x Sealing Ring Note: 1.Please allow 0?1 inch error due to manual measurement. Thanks for your understanding.2.Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.3.Have many different quality for this 3piece airlock in market. Ours is made of food grade high transparency plastic. Almost same with the photos.4.Must use homemade tools, please choose our food grade high transparent plastic tools.5.Highly transparent means less impurity, but more healthy and more hygienic.