DescriptionThree-piece one-way valves are used for exhausting secondary fermentation, used for self-brewed wine and beer. Airlocks can be used for a variety of purposes to preserve foods (sauerkraut, pickles) or create delicious wine and beer, provide your family with healthy.Features-Color: Assorted color. -Material: PP. -Size: About 12.00X4.00X4.00cm/ 4.72X1.57X1.57in. - Made of environmentally friendly and healthy materials, safe, sanitary and clean. - Three-piece check valves are gentle. These air locks are very easy to clean and use. - Used for self-brewed wine and beer, used for a variety of purposes to preserve foods.- These practical air locks are easy to replace, small and lightweight, easy to store.- Professional three-piece check valves are suitable for professional or personal use
