TOTO DUOFIT In-Wall Toilet Tank With Dual-Max Dual-Flush System With Copper Supply - WT172MTOTO DuoFit In Wall Toilet Tank with Dual Max Dual Flush and Copper Supply The TOTO DuoFit in wall tank system offers a clean, modern look while saving space in your bathroom. Its efficient Dual Max flushing system helps conserve water with every flush, and the copper supply line ensures durable performance. Ideal for wall hung toilets, this system supports a strong 880 lbs and is pre plumbed for WASHLET+ connection. Features Dual Max dual flush