Fluidmaster Anti-Siphon Fill Valve with Flapper

The PRO45C comes with a PRO45 fill valve, the quietest fill valve on the market, and a PRO55 flapper with an adjustable float. Features: Fixes the two most common causes of toilet leaks Features PRO45 fill valve for ultra-quiet operation and elimination of water hammer Flapper is chlorine-resistant for harsh water regions Ultra-quiet operation Minimal water hammer Code approved Installs Easily 5-year warranty NEW easier to turn tank water level adjustment dial