Korky’sUniversal WaxFREE Seal Kit features a rubber exterior that creates a tight seal between the floor and the toilet. The two-piece foam interior adapts to fit flanges that are above, even with and below finished floors, with no mess. It fits 3” and 4” drain pipe and can be repositioned during installation.Wax-free seal kit

It is backed by a five-year warranty, resistant to harsh chemicals and manufactured with the same proprietary red Chlorazone that is found in all Korky premium red flappers.