DescriptionIf you are looking for a professional and affordable fermentation airlock, then your research is over here. That's because our product can meet your need. Adopted of premium material, it is practical and durable for long time use. It is not easy to get deformed and bring you much convenience.Features-Color:transparent -Material:silicone, PVCZZ -Size:17.00X5.30X1.90cm/6.68X2.08X0.75in - It is suitable for juice fermentation, such as white grape, mead fermentation, secondary fermentation of red wine, and etc. - Fill the exhaust-valve with water and insert it on the lid of the brewing barrel, or on the rubber or silicone plug at the top of the fermentation vessel, and cover the small lid with a hole on the one-way valves. - The bubbles generated during wine fermentation are discharged out of the barrel through the exhaust valves, so as to observe the fermentation status of the wine in the brewing barrel. - The exhaust-valve uses the principle of water sealing, which can effectively isolate the oxidation of the fermentation medium by the outside air. - Comes with a cover on the top to keep out of fruit flies and other insects.
