Fluidmaster 400CAR3P5 PerforMAX Adjustable High Performance Toilet Fill Valve and Flapper Repair Kit, For 3-Inch Flush Valve Toilets Fix Noisy, Running toilets with this 3 flush valve PerforMAX Kit Fits American Standard/Eljer, Glacier Bay, Kohler, Toto and other toilet brands 3 water saving adjustable flapper included Solid flapper frame resists bending for a secure seal Adjustable valve height, and flapper arms fit most toilet models Best use in toilets with 1.28 HET & 1.6 gallons per flush Efficiently control water use and levels Silicone seal lasts up to 10X longer than standard flappers Anti-siphon design, code approved 7 year warranty