Korky 2021BP is an authorized replacement flapper for TOTO G-Max toilets. It replaces TOTO G-Max flapper model thu138s but is not compatible with models cst43sd, cst744sd (TOTO Power Gravity), cst44sld, cst743sdb, cst744sdb, and cst744sldb. Constructed from premium red Chlorazone rubber to resist chlorine and chemical degradation, this 3-inch flapper features a sealing surface sized for larger TOTO flush valve seats. Package includes one flapper and is backed by a five-year warranty for long-term reliability.
Replaces TOTO G-Max flapper model thu138s.
Not compatible with: cst43sd, cst744sd (TOTO Power Gravity), cst44sld, cst743sdb, cst744sdb, and cst744sldb.
Premium red Chlorazone rubber resists chlorine and common tank chemicals for extended life.
Sealing surface engineered for larger TOTO flush valve seats to ensure a tight seal.
Authorized replacement for TOTO G-Max toilets for reliable performance.
Designed for 3-inch flush valves for direct, proper fit and function.
Backed by a five-year warranty for long-term confidence.
Includes one flapper and is designed for straightforward installation.
Manufacturer part number 0284213; material: red rubber.