Fluidmaster 400ARHRFCS Universal High Performance PerforMAX Toilet Fill Valve, Product Description Kit includes PerforMAX fill valve Model No. 400ARHR, SKU 400964; adjustable flapper Model No. 502P21, SKU 472980; 12" universal Click Seal toilet connector Model No. B1T12CS, SKU 401591; and 7/8" Ballcock x 1/2". Perfect for the consumer who doesn't know the size of their valve. From the Manufacturer The performax toilet fill valve, flapper and click seal connector kit is the premium solution to repair your toilet at the most common leak points! this kit Works with all 2-Inch toilets including KOHLER, toto and American standard. Features Kit includes PerforMAX fill valve Model No 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.