The HydroClean Anti-SiphonToilet Tank Fill Valve saves water, saves money and fits all brands. The toilet fill valve has a patented mini-valve that lets you adjust the amount of water directed to the bowl and can save over 3,000 gallons of water each year. It has a patented float lock which allows you to make minor repairs in the tank without shutting off the water. The HydroClean can install in 1/2 the time. The thumb screw allows float adjustment without getting your hands wet. The exclusive positive locking mechanism allows you to make height adjustments with a simple 1/4 turn. The exclusive smart nut signals when nut is tight to prevent cracked or leaking tanks due to over or under tightening. The HydroClean Anti-Siphon Fill Valve will fit all brands, is easy to install and no tools are required. It comes with a 5 year warranty.