Featuring the classic, versatile look of the Cimarron collection, this two-piece toilet combines water-saving flush performance with graceful curves. A 1.28-gallon flush provides up to 16,500 gallons of water savings per year, compared to a 3.5-gallon toilet, without sacrificing performance. This toilet features innovative AquaPiston technology, a patented flush engine that delivers a fast, powerful, and virtually plug-free flush. An insulating tank liner helps prevent condensation on the outside of the tank. For comfort and ease of use, the round-front bowl is positioned at a convenient height. Two-piece toilet. Round-front bowl offers an ideal solution for smaller baths and powder rooms. Comfort Height¬Æ feature offers chair-height seating that makes sitting down and standing up easier for most adults. Insuliner¬Æ tank liner minimizes condensation on the tank when exposed to high humidity. 1.28 gallons per flush (gpf). 2-1/8-inch glazed trapway. Standard left-hand Polished Chrome trip lever included. Combination consists of the K-4829 bowl and the K-4166-U tank. Coordinates with other products in the Cimarron collection. 10-inch rough-in.