The Fluidmaster flush valve seal for Kohler Aqua Piston and American Standard Champion 3 Toilets is a quick and easy way to eliminate leaks on specialty flush valve toilets

Designed to be a direct OEM for a fit and secure seal

Built to last, this silicone seal lasts up to 10X longer than standard models and is chlorine and hard water resistant

Eliminate water waste and get a part made to fit secure, with the Fluidmaster 510K-001-P10 Kohler and American standard specialty flush valve seal