The modern design of the Vortex Series PL-12210 Toilet gives a unique and contemporary look to your bathroom while assisting in water conservation. They are comprised of Grade A Porcelain and go through a special glazing process which creates a glossy, scratch resistant coating that is sure to maintain its luster for years to come, including commercial applications. This layer is also nonporous meaning it is resistant to stains as well as bacteria and fungi growth. The smooth sides and detachable toilet seat make it a dream to clean compared to a traditional two piece toilet. Additionally they feature Dual Flush which can save you thousands of gallons of water annually over a traditional single flush toilet. If you press the larger area on the button a 1.6 gallon flush is performed, where if you press the smaller area, a 0.8 gallon flush is performed. The Vortex Series Toilets come with a Limited Lifetime Warranty