#2 Rubber Stopper with Hole for Airlock - Fits Beer Bottles

• 3/8 - inch hole, perfect for airlocks • BPA - free, food - grade TPE material • Great adhesion to glass and PET, even when wet This #2 stopper has a top diameter of 0.83 inches (21 mm), bottom diameter of 0.63 inches (15.8 mm), and length of 1 inch (25 mm). It's injection - molded for superior consistency. Use a #000 solid stopper (FE400) to plug the hole and make it solid. Max. Temperature Rating: 158 °F (70 °C).

This rubber stopper is great for homebrewers and those who make their own beverages. You can use it with carboys and beer bottles. It has a 3/8 - inch hole which is ideal for airlocks. The stopper is made of BPA - free food - grade TPE. It measures 0.83 inches (21 mm) at the top, 0.63 inches (15.8 mm) at the bottom, and 1 inch (25 mm) in length. It can handle a max temperature of 158 °F (70 °C).