Fluidmaster 510K-001-P10 Kohler Repacement Valve Seal

Fluidmaster, replacement flush valve seal for kohler aqua piston & american standard champion 3 toilets, quick & easy way to eliminate leaks on your specialty flush valve toilet, designed to be a direct oem replacement for a perfect fit & secure seal, built to last, silicone seal lasts up to 10x longer, chlorine & hard water resistant.