This American Standard high-efficiency Sonoma toilet offers great value, style and performance. It delivers optimal flush performance and also features a 16.5-inch rim height for improved ease of use and comfort. Its elongated siphon action bowl with direct fed jet provides excellent rim wash at every flush, meaning that you won't have to scrub it as often. This toilet's 2-inch flapper flush valve and patented Pilot valve water control meet EPA WaterSense criteria. This model is backed by a 2-year limited warranty.