The TOTO Toilet Valve Assembly is engineered for 1.6 GPF toilets, providing efficient flushing performance. This assembly is made from high-quality materials, ensuring durability and reliability in your toilet's operation. It is designed to fit various TOTO models, making it a versatile choice for repairs and replacements. The valve assembly meets ANSI standards, ensuring compliance with industry regulations. Enhance your toilet's efficiency and performance with this essential component, perfect for maintaining optimal flushing power.