Size 11 Drilled Rubber Stopper 2-1/8 X 1-7/8
Pure Gum Rubber Stopper and Bungs - Assorted - DRILLED with HOLE. Pure gum rubber stoppers and bungs with hole to accept airlocks. High quality soft gum rubber for an air tight seal. Sizes are listed in inches, tapered top to bottom. No. 2 fits wine bottles, No. 6.5 and 7 fits most glass carboys, No. 10 fits Better Bottles, No. 6.5 fits our one-half and one gallon glass jugs and No. 11 fits glass demi-johns.