Toto WT172M is a high-efficiency, dual-flushing in-wall tank system toilet that offers a range of features for a modern and eco-friendly bathroom experience. With its adjustable mounting height of 15"-19", the WT172M can accommodate various bathroom designs and user preferences. The Dual-Max flushing system allows for both 1.28 GPF and 0.9 GPF flushes, promoting water conservation. The unit is pre-plumbed for a WASHLET connection, enabling easy integration of TOTO's advanced bidet systems. It is compatible with 2" x 4" or 2" x 6" wall studs, providing versatility in installation options.