★ Food Grade Silicone ★ Our airlock stopper is made from the food grade silicone.It features a healthier/ environmental/anti-corrosion/heat resistant/waterproof/high wear resistance
★ Provide A Tight Seal ★ With the use of silicone plugs on airlock for the beer fermentation can be carried out a good isolation of the air ; for honey, white wine, milk alcohol fermentation can Prevent oxidation
★ Great For Kinds Of Airlocks ★ This airlock plug is perfect for the common fermentation airlocks and the counter pressure bottle filler. Silicone stoppers have a various diameter sizes to fit any vesse
★ Great For Kinds Of Carboy ★ This silicone stopper is fitted for carboy & bubble airlock & glass fermenter. We have marked the dimensions of each model on photo High Temperature Silicone Rubber Plug Heat Resistant Hole Sealing Stopper lids /NaturalCap 20*28.5*14mm for hole18-19.5mm