The Diaphragm Disc for all models of Fillpro Fill Valve from Braxton Harris is a vital replacement part designed to ensure optimal performance of your fill valve. This diaphragm disc is crafted from high-quality materials, providing excellent resistance to wear and tear. It is engineered to fit seamlessly with Fillpro fill valves, ensuring a reliable seal and preventing leaks. Regular replacement of the diaphragm disc helps maintain the efficiency of your plumbing system, making it an essential component for any maintenance routine.