KOHLER Persuade Curv 1.6 GPF Dual-Flush Toilet Tank Only in Black BlackKOHLER Persuade Curv Dual Flush Toilet Tank Elevate your bathroom's style with the KOHLER Persuade Curv Dual Flush Toilet Tank in Black. Designed for modern efficiency, this dual flush tank offers a choice of 1. 0 or 1. 6 gallons per flush, promoting water savings without sacrificing performance. Its sleek, compact design seamlessly fits into contemporary spaces, enhancing both functionality and aesthetics. Key Features: Efficiency: Dual flush