• Food-Grade & BPA-Free: Crafted from high - quality, BPA - free food - grade materials for safe use.
• Superior Consistency: Injection molded TPE ensures consistent quality throughout.
• Excellent Adhesion: Sticks well to glass and PET, even when wet, perfect for carboy applications.
This #10.5 stopper features a 3/8 - inch hole. It has a top diameter of 2.09 inches (53 mm), a bottom diameter of 1.78 inches (45 mm), and a length of 1 inch (25 mm). You can create a solid stopper by using a #000 solid stopper (FE400) to plug the hole. The max temperature rating is 158 °F (70 °C).

This rubber stopper is great for homebrewers and those who use carboys for fermentation or storage. It fits snugly into glass and PET carboys, thanks to its excellent adhesion. The stopper is made from food - grade materials, so it's safe for any food - related use. It has a top diameter of about 2 inches, a bottom diameter of nearly 1.8 inches, and a length of 1 inch. You can even turn it into a solid stopper easily. With a maximum temperature rating of 158 °F, it can handle normal fermentation and storage temperatures.