toto171Toto171 . Unclaimed. This business is unclaimed. Owners who claim their business can update listing details, add photos, respond to reviews, and more. Claim your free listing now. Share.WT171M DUOFIT® In-Wall Tank Unit, 1.6 GPF & 0.9 GPF FEATURES • Dual flush system, low consumption (1.6 GPF6.0 LPF & 0.9 GPF 3.4 LPF) • Adjustable 15-19 mounting heht