Roycroft One-Piece Elongated 1.28 gpf Toilet - Vitreous chinaElongated bowl designHigh efficiency (1.28 gpf/ 4.8 Lpf)4&quot; Flush valve with chemical resistant flapperSiphon action jetted bowl with a 2-1/8&quot; trapwayPlayful and flowing one-piece designNormal bowl height 16-1/2&quot;Includes a high quality Duroplast slow-close toilet seat9-1/4&quot; x 8-1/4&quot; water surface area12&quot; Rough-inChrome metal trip lever