The toilet offers a 2-piece design with a separate tank and ADA (Americans with Disabilities Act) elongated bowl for greater comfort. Comfort Height design features a height comparable to that of a standard chair to make sitting down and standing up easier for people of all ages. This functional and efficient toilet includes our Champion 4 flushing system, 4" nonadjustable, piston action Accelerator flush valve. Includes our EverClean surface which inhibits the growth of stain and odor-causing bacteria, mold, and mildew. Includes wax ring and bolts for easy installation. WaterSense certified HET (High-Efficiency Technology) uses 1.28 GPF (gallons per flush). Constructed with durable vitreous china for cleaner, long-lasting use. 10 year warranty.