Plumb Pak K835-10, Grey, Green Product Description Fits American standard, Kohler, Eljer, or any flush valve with similar thread size. Includes adjustable water saving flapper with timing cone. From the Manufacturer 3-Inch Toilet flush valve fits American Standard, Kohler, Eljer Toilets or any flush valve with similar thread size. Includes an adjustable water saving flapper and adjustable no cut overflow tube. Features Fits American standard, Kohler, Eljer toilets or any flush valve with similar thread size Adjustable no cut overflow tube Adjustable water saving flapper 3-Inch Toilet flush valve Fits American standard, Kohler, Eljer toilets or any flush valve with similar thread size Adjustable no cut overflow tube Adjustable water saving flapper Includes all nuts and washers USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.