- Wax gasket for setting toilet bowl. - Fits 3 inch 0r 4 inch waste lines. - For all type closet bowls. - Extends the discharge opening for a more positive seal. - 10 year guarantee. - Urethane sponge adds body to the wax so that it won"t compress. - Prevents call backs on leaks caused by the or building movement. - Forms a permanent, waterproof, vermin proof, odor proof, and gas seal. - For floor or wall outlet toilet bowls with 3 inch or 4 inch waste lines. - Installation instructions included.