Ideal for commercial installations;Two-piece design;Elongated bowl offers added room and comfort;1.28 gpf (4.8 lpf);Durable metal right-hand polished chrome trip lever;2-1/8" (54 mm) fully glazed trapway;Tank cover locks included;Easy-to-service silicone seal;Sanitary guard where bowl and tank meet for ease of cleaning;Encapsulated bolts prevent rust and corrosion;Combination consists of toilet bowl and tank;Comfort height feature offers chair-height seating that makes sitting down and standing up easier for most adults;Class five 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