Size #9.5 Drilled Rubber Stopper

#9.5 natural latex rubber stopper with 3/8 inch hole. Top diameter 45 mm, bottom diameter 37 mm, length 25 mm.

BPA-free stopper made of food-grade materials. Injection molded TPE for superior consistency throughout. Perfect for use with carboys, as the material sticks well to glass and PET, even when wet.

Max. Temperature Rating: 158 °F (70 °C).