The 4.5 GPF Closet Flush Valve Master Repair Kit (R-1001-A 3317001) from Braxton Harris Co Inc is essential for maintaining toilet performance. This comprehensive kit includes all necessary parts for a complete flush valve repair, ensuring efficient operation and water savings. With a 4.5 gallons per flush rating, it complies with industry standards for water efficiency. The high-quality materials used in this kit guarantee durability and reliability, making it suitable for both residential and commercial toilets. This repair kit is specifically designed for compatibility with Sloan models, simplifying the repair process.