The Fits Kohler Shark Fin Flapper is designed to fit Kohler parts 84138, 84314, 85655 and 89825. The exclusive longest lasting red rubber resists chlorine, , city water treatment, hard water, and well water. The Shark Fin Flapper works with the following Kohler models: Ankara (14230-TF), Fables and Flowers (3488), Gabrielle (3322), Kathryn (3324), Laureate (14286), Memoirs (3451, 3453), Portrait (3357), Prairie Flowers (14258-WF), San Raphael (3384, 3467, 3384), Revival (3386), Rialto (3386) and Santa Rosa (3323). Flapper not compatible with 2-piece toilets. Made of flexible rubber for a tight seal and easy to install.