HE-20-324 Gerber Ultra Flush 1.28 gpf 14 in Rough-In Two-Piece Elongated ErgoHeight Toilet - White Harness the power of the ultimate flushing machine with an Ultra Flush® 1.28 gpf (4.8 Lpf) Pressure Assist Toilet. Boasting top of the line professional performance, its unique rim provides complete rinsing coverage with every flush. The tank uses a Sloan Flushmate® pressure vessel which releases compressed air in a downward path and forces water into the bowl, pushing waste out of the bowl and down the drain line. An exclusive six-point tank to bowl mounting system creates precise contact for superior stability and is designed to be tightened without tools.ErgoHeight™ ADA Elongated Bowl for added comfort and ease of seating onto the bowlChrome, metal tank leverLarge, 2" fully glazed trapway for clog-free waste removalSloan Flushmate Pressure Vessel InsideLarge dual fed siphon jets increases the speed of the flush, for a quick and clean bowl everytimeLarge water surface to thoroughly rinse bowl with each flushWaterSense® certified, 1.28gpf/4.8Lpf High Efficiency Toilet (HET) to save 20% more water (vs 1.6 gpf/6 Lpf toilet) and money!Two-piece toilet14" Rough-in10 Year Warranty on Pressure Vessel, Limited Lifetime Warranty on Vitreous ChinaDouble nut, multi-point tank-to-bowl mounting system for easy tool-free installationNon-Sweating Insulated TankADA Compliant