Restore your toilet's efficiency with the Toilet Flapper Replacement for Kohler GP1078440. Designed for a precise fit with Kohler toilets, this high-quality flapper ensures a tight seal, preventing leaks and water wastage. Made from durable, long-lasting materials, it resists wear and tear, providing reliable performance for years. The easy-to-install design requires no professional tools or skills, making it a convenient solution for a quick fix. Whether you're addressing flushing issues or replacing an old, worn-out flapper, this replacement part helps maintain optimal water flow and efficiency, reducing your water bills. Keep your toilet functioning like new with this trusted replacement flapper.