Description Kohler 2.25 inch One-Piece Toilet Flush Valve Replacement Part# 87998 with Triangle Connection 2.25″ x 10.5″ Tall Kohler Flush Valve Replacement Replaces Kohler Part# 87998 Upgrade Replacement for Kohler Kathryn Model K-3324, Memoirs Models K-3451 & K-3453, Saree Model K-14268-S1, and Santa Rosa Model K-3323 Heavy Duty and Corrosion Resistant Easy to Install and Long Lasting Performance This is not a universal fit product Toilet Tank Number can be found inside tank Product Explanation Video