Description Improved polycarbonate clear window. O.D. outside diameter of window is 2 5/8 inch I.D. inside diameter of window is 2 3/8 inch Measure twice, This Item is not returnable Fits Bou-Matic, IBA, Schlueter and other barrel claws 4999-1010-834 63006 1010-835 Gaskets at link below 3/23
