Product DescriptionThe Fluidmaster 502 PerforMAX 2? Water-Saving Flapper is a top choice for flush efficiency. The PerforMAX water saving adjustable dial design to optimize your flush performance and water use. Built durable for a long life, this flapper is constructed with corrosive resistant materials and a solid frame that won?t bend for a secure seal. A universal design that fit?s most 2? flush valve models, best with 1.28 HET and 1.6 GPF toilets, and can work with 3.5 GPF. This highly efficient design also features simple and easy installation saving on DIY toilet repair time. Save on water, money and solve common flush and running toilet problems with this 2? toilet flapper replacement.From the ManufacturerFluidmaster is the #1 toilet repair brand in the world. Since 1957, we have been guiding our customers to the right toilet repair solutions. Fluidmaster is dedicated to making the installation of its products easy and simple with a complete line of toilet repair parts including: fill valves, single and dual flush valves, flappers, tank levers, toilet seals (bowl wax and wax-free), toilet repair kits, flush valve seals, connectors and more. Fluidmaster parts are found in more toilets than all other brands combined. Fluidmaster distributes to over 90 countries and is the trusted brand by toilet manufacturers and professionals worldwide.