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, bacteria, 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.