The Fits TOTO G-Max 3" Flapper by Korky features an oversized sealing surface to fit large 3" TOTO flush valves. The exclusive longest lasting red rubber resists chlorine, bacteria, city water treatment, hard water, and well water. Authorized replacement for TOTO G-Max flapper model THU138S. Made of flexible rubber for a tight seal and easy to install, the 2021 includes: (1) Large 3" Flapper and (1) Stainless Steel Chain.
Replaces TOTO G-Max flapper model THU138S
Not compatible with the following TOTO Power Gravity toilet models: CST43SD, CST744SD, CST44SLD, CST743SDB, CST744SDB, and CST744SLDB
Exclusive longest lasting red rubber resists chlorine