Includes a two-button actuator that provides easy-to-use flushing options * Combines with K-4353 Persuade - Curv bowl to create K-3723 Persuade - Curv Comfort Height two-piece elongated toilet * Meets strict flushing performance guidelines established by the EPA"s (Environmental Protection Agency) WaterSense program * Qualifies as an HET (High-Efficient 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