THE FUTURE OF AMERICAN TOILETS High Efficiency WaterSense Certified Eco-Friendly 1.28 Gallons Per Flush. One Piece Toilet. Enjoy a sleek solid European design. Not only does it look so much better than your old toilet, it also works a whole lot better. Siphonic Flush System. New tower based mechanism. There is no chain to snap, and no flapper to partially close leaving your toilet running. Living the Green Life. This environmentally friendly toilet will save a family of four an average of 10,000 gallons of water per year! Soft Closing Toilet Seat & Lid Included. Never be startled again by the loud crash of a slamming toilet seat. The soft drop seat has an innovative hinge system that will gently guide the toilet seat down with out a sound. 1. Powerful and efficient 3" flushing valve. Reduces the number of problems typically associated with older ball-chain-flapper systems. 2. Wide water surface. A large surface area keeps odors down and allows for easy cleaning. 3. Balanced water distribution. Designed to maintain the optimal balance between an increased diameter and proper exit velocity. 4. Large 2" fully glazed trap. Fully glazing the trap way ensures that waste flows smoothly to the exit with a single flush, each time. 5. Big Jet Hole. This toilet also includes the wax ring for installation. Only One Flush. The Most Advanced Flushing System. Tested Flushing Power: 25 sponge stripes. 90 polypropylene balls.