Two-piece design;Elongated bowl offers added room and comfort;Comfort Height feature offers chair-height seating that makes sitting down and standing up easier for most adults;1.28 gpf (4.8 lpf);Left-hand Polished Chrome trip lever;2-1/8" (54 mm) glazed trapway;Revolution 360 flushing technology generates a forceful swirling motion to keep the bowl clean longer;Fully skirted trapway simplifies cleaning;Sanitary guard where bowl and tank meet for ease of cleaning;Hidden cord design conceals bidet seat cords (bidet seat sold separately);Patented ReadyLock installation system, a simple solution for skirted toilets, saves time, hassle, and eliminates the need to drill into the floor for standard 12" (305 mm) rough-in;AquaPiston canister optimizes the flow out of the tank, harnessing gravity and the natural, powerful reducing cascade of water to increase the power and effectiveness of the flush