A perfect union of practicality and aesthetics, the KOHLER® Reach Curv toilet features a modern design with an extended skirted trapway for a cleaner more connected design. Two top-mount buttons offer the choice of 0.8 or 1.28 gallons per flush. At the lower 0.8 flush setting, this dual-flush high-efficiency one-piece elongated toilet can save as much as 6,000 gallons of water annually over a traditional 1.6 gallon toilet. Kohler® Toilet, 1-Piece, Series: 23188-HC, Reach™ Collection, 0.8/1.28 gpf Flush, Compact Elongated Bowl, 15-9/16 in Rim Height, 12 in Rough-In, 2 in Trapway, Floor Mounting, 3/8 in NPT Inlet Spud, Dual Flush/Gravity Siphon Jet Flushing System, 9-3/4 in W Bowl, 27-9/16 in L x 14-7/8 in W x 29-9/16 in H Overall, Vitreous China, White