The TOTO USA TSU811.30-A Fill Valve Assembly is designed for efficient water management in TOTO toilets. This assembly features a reduced flow rate of 30%, promoting water conservation while ensuring reliable performance. Constructed from high-quality materials, it is built to withstand the rigors of daily use. The fill valve is easy to install and compatible with various TOTO toilet models, making it a versatile choice for replacements or upgrades. Its innovative design helps prevent overflow and ensures a consistent water level, enhancing the overall functionality of your toilet system.