Innovative Universal Valve and 2 in. or 3 in. flapper fits most toilet models and brands Easy to install and adjust, Includes high performance toilet fill valve and 2 in, or 3 in. toilet flapper Replace small 2 in. flappers, and large 3 in. flappers Quiet, powerful toiler fill valve with 2X greater bowl refill than standard designs Customize your water use for both fill valve and flapper for optimal water use and water savings; 7 year warranty