The Gerber Plumbing Fixtures Fill Valve is specifically designed for the Maxwell Tank, providing a reliable solution for efficient toilet operation. With a flush rate of 1.28 gallons per flush (gpf), this fill valve ensures optimal water usage while maintaining performance. Constructed from high-quality materials, it offers durability and longevity. The valve is easy to install and compatible with various toilet systems, making it an excellent choice for both new installations and replacements. Adhering to industry standards, this fill valve is a smart addition to any bathroom.