Do it Best No. 35B Wax Ring Extender Kit, 4378

For problem areas that need extra wax or where floor flange is too low (1-1/4" to 1" below finished floor surface). Ready-to-use. Fits 3" or 4" waste lines. Forms a gas-tight, odor-tight, water-tight seal. Includes 1 urethane wax toilet gasket, 1 urethane wax toilet gasket with polyethylene flange, and 3-1/2" brass bolt kit. No. 004378: Type: Extra Thick, Material: Polyethylene