Fluidmaster 400CAR3P5 PerforMAX Adjustable High Performance Toilet Fill Valve Product Description The Fluidmaster 400CAR3P5 optimizes your toilet from fill to flush. The PerforMAX fill valve, the quietest and most powerful fill valve on the marked fixes common noise and slow fill problems. While the 3? adjustable flapper, saves water with a dial controlled water release level. Recommended for best use in toilets 1.6 GPF and less, this design fits more models, with it?s adjustable height and flapper adjustable arms. The PerforMAX Toilet Fill Valve and 3? Flapper Kit also showcase a quality build, with corrosive resistant materials, solid flapper frame and silicone seal. For a complete performance upgrade of your toilet, this Fluidmaster 400CAR3P5 PerforMAX Kit for 3? Flush Valves is a top choice. From the Manufacturer Fluidmaster, the customer?s first choice and preferred supplier of toilet tank trim since 1957. Showcasing a complete line of toilet repair parts that include; fill valves, flush valves, flappers, tank levers, dual flush valves, bowl wax, toilet repair kits, seals, connectors and more. Fluidmaster?s manufacturing facilities across the world reach over 90 countries worldwide with unparalleled quality. Fluidmaster remains the #1 toilet repair brand in the world, with parts found in more toilets than all other brands. Features 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