DescriptionThere are some wine fermentation airlocks, which can be used for exhausting secondaryfermentation, used for self-brewed wine and beer. Made of premium plastic material, these fermentation airlocks are not easy to break or deform, and are safe, sanitary and clean.Features-Color:As Shown -Material:Plastic -Size:17.00X5.00X2.00cm/6.68X1.97X0.79in - Made of premium plastic material, these fermentation airlocks are not easy to break or deform, and are safe, sanitary and clean. - The plastic S-shaped airlocks are easy to operate and clean, a great wine fermentation tool for home use. - Widely used for self-brewed wine and beer, white wine, honey wine fermentation, red wine secondary fermentation. - The wine fermentation airlocks has a lid to prevent flies from flying into the bottle, very practical. - The clear structure design of the airlocks allows you to see the inside clearly, practical for the observation during the fermentationprocess.