American Standard Colony/Evolution White Elongated Front Toilet Bowl, crafted from durable vitreous china, offers a comfortable right height bowl at 16-1/2" tall. This ADA compliant toilet bowl can be paired with 1.6 gallons per flush, 6.0 liters per flush, or 1.28 gallons per flush HET tanks, providing efficient water usage options. It features a vitreous china siphon action, self-draining jet, and bolt caps for easy maintenance. The fully glazed 2" trapway ensures optimal flushing performance. This toilet bowl is compatible with all Colony tanks and comes with a 2-year limited warranty.