Eliminate water waste by adjusting the amount of water flushed with this Korky ultra flapper. Built with a universal design, the Korky flapper adapts to fit 2-in toilet tanks. Designed with long-lasting rubber, the red toilet flapper is resistant to chlorine, bacteria and hard water. Save on installation costs by installing the Korky rubber flapper without any special equipment. The flapper works with tanks emitting 1.6-, 1.28-, 5- and 3.5-gal. per flush. The 2-in toilet flapper's flexible rubber also allows it to provide a watertight seal. The adjustable rubber-flapper kit comes with a flapper and a stainless steel chain. It measures 2 in dia. This Korky adjustable flapper comes with a 5-year warranty.