Best Seller | William H. Harvey 4378 Wax Extender Kit 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... more | | $17.58 $16.61 FREE shipping go to store |