American Standard SureFlush 12-Inch Vitreous China Toilet Tank and Cover 31242 Toilet tank, Chrome trip lever Cadet 3 series, Close coupled tank with flat tank cover for superior storage, oversized 3-Inch flush valve with chemical resistant flapper Vitreous china EverClean antimicrobial surface which inhibits the growth of stain and odor causing bacteria, mold and mildew Features the Cadet 3 flushing system