"FERNCO" WAX FREE TOILET SEAL *4" x 3" *Wax free *Fits 4" x 3" combination drain pipes and all floor types *Accommodates floors raised above the toilet flange by 3/4" *Seals on raised floors, wood, tile, linoleum and carpet *Ideal for in-floor radiant heat installations *No more guessing if there is a positive seal *Boxed