Meets strict flushing performance guidelines established by the EPA"s (Environmental Protection Agency) WaterSense program * Qualifies as an HET (high-efficiency toilet) - consumer rebates are available in certain municipalities * High-efficiency toilets provide significant water savings of up to 16,500 gallons per year versus an old 3.5 gallon toilet without sacrificing performance * Skirted trapway is easy to clean and eliminates potential debris * Includes a two-button actuator that provides easy-to-use flushing options