1.0 Gpf " One flush" performance. Elongated front, SmartHeight™ Chair height for maximum comfort Pressure-assist, high efficiency (HET) Sloan Flushmate IV™ flushing system WaterSense™ certified SAVES up to 40% more water than conventional 1.6 gpf flushing systems SAVE more money! Qualifies for many water district rebate programs Colors: white and standard colors: biscuit and bone The Mansfield® limited lifetime warranty Ten year vessel limited warranty