Harvey™ Bol-Wax® No. 1 Reinforced Wax Gaskets is a reinforced wax toilet bowl gasket with polyethylene flange that provides maximum seal on floor or wall outlet toilet bowls with 3 inch or 4 inch waste lines. Stainless, waterproof; impervious to vermin, odors, gases and acidsFor floor closet bowls onlyWill not dry out or deteriorate