This product is manufactured in United States. Dual-Max flushing system, low consumption (1.6GPF/6.0LPF & 0.9GPF/3.4LPF). Adjustable 15-in through 19-in mounting height. Saves up to 9-in of floor space compared to standard floor-mounted toilet.Copper Supply Line, Dual Flush Rate 1.6 and 0.9-Gallons Per Flush. Install in 2 by 6 walls or 2 by 4 wall with Waste Outlet Kit, Blow Molded Polyethelyene Tank for Leak Prevention. Includes Optional Washlet Connection, Requires CT418FG Aquia Toilet For a Complete Fixture. Includes Optional White Push Plate Model WT800#WH. Optional Outlets 2-Inch by 4-Inch THU343 or 2-Inch by 6-Inch Cast iron THU335. The item "Toto WT151800M#WH Duofit in Wall Tank System unit only" is in sale since Monday, April 6, 2020. This item is in the category "Home & Garden\Bath\Toilets & Bidets\Toilet Parts & Attachments". The seller is "northsidemb" and is located in Atlanta, Georgia. This item can be shipped to United States.