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.