Toto (CWT418MFG-1#01) Aquia Wall-Hung Toilet and In-Wall Tank System-1.6-GPF / 0.9-GPF, Cotton Dual-Max flushing system, low consumption, Adjustable 15-Inch-19-Inch mounting height, SanaGloss ceramic glaze Saves up to 9-Inch of floor space compared to standard floor-mounted toilet, Support up to 880lbs, Universal Height, Includes rectangle flush panel Commercial 2-Inch by 6-Inch or optional residential installation with 2-Inch by 4-Inch wall studs with waste outlet kit 1-pc blow molded polyethylene tank to prevent leaks 2-Inch by 6-Inch Polyethylene outlet included, PEX supply line with optional Washlet connection, Complete with No.01 Cotton bolt caps