The Fluidmaster 40252 Pro Series Adjustable Toilet Flapper is a universal, high-performance replacement flapper designed to fit most 2-inch flush valves. Made from durable, chlorine-resistant materials, this red flapper features an adjustable dial to control flush volume, helping to optimize water usage and improve toilet efficiency. Its universal design makes it compatible with a wide range of toilet brands and models, making it a reliable choice for both professional plumbers and DIY repairs. The solid frame construction ensures a secure seal and long-lasting performance in high-use residential or commercial bathrooms.