The TOTO T20 Carlyle® II one-piece elongated 1.28 GPF toilet and S350e bidet seat is designed to conceal the power cord and water supply hose for a seamless installation. The S350e features TOTO's technologically advanced Ewater+ system which uses electrolyzed water generated by a technologically advanced process, transforming the water into a safe and powerful compound. By misting the bowl after every use, the Ewater+ technology helps to keep your toilet bowl clean and hygienic without any extra harsh chemicals. The Premise function sprays the bowl before each use to prevent waste buildup, keeping the bowl clean. The TOTO S350e is fully automated, including an illuminated remote control with 5 spray settings, auto open and close lid, heated seat, and instantaneous water heating. The skirted design of the Carlyle II conceals the trap way, which enhances the elegant look of the toilet and adds an additional level of sophistication. The Carlyle II features TOTO’s Tornado Flush, a hole-free rim design with dual nozzles that creates a centrifugal washing action that assists in rinsing the bowl more efficiently. This version of the Carlyle II includes CeFiONtect, a layer of exceptionally smooth glaze that prevents particles from adhering to the ceramic. This feature, coupled with the premise and Tornado Flush, assists to reduce the frequency of toilet cleanings, minimizing the usage of water, harsh chemicals, and time required for cleaning. The Carlyle II is designed in TOTO’s Universal Height, which allows for a more comfortable seat position across a wide range of users. This product includes the Carlyle II toilet, and unified outlet for 12" rough-in. The Carlyle II may be adapted for 10" or 14" rough-in with the purchase of a separately sold rough-in. Compatible with T20 electronic bidet seat and toilet bowl components only. Additional items needed for installation must be purchased separately: wax ring, toilet mounting bolts, and toilet water supply lines.