The Fluidmaster 5083 Hinged Flapper is designed specifically for Kohler® 1-piece toilet models, ensuring a perfect fit and reliable performance. This flapper is made from durable materials that resist wear and tear, providing a long-lasting solution for your toilet's flushing system. With its precise dimensions, it effectively seals the flush valve, preventing leaks and ensuring optimal water usage. The flapper is easy to install and compatible with various Kohler® models, making it an essential component for maintaining your toilet's efficiency.