The nexus® 1 gpf elongated two-piece toilet high-efficiency flush (seat included) has a sleek and clean high-profile design, upholding the vision to create a culture of comfortable, healthy living. The toilet features a modern, skirted bowl design that will instantly elevate any bathroom décor. The skirted design conceals the trapway, which enhances the fluid design of the toilet and adds an additional level of sophistication. Skirted design toilets also eliminate the need to reach behind the bowl to clean the nooks and crannies of the exterior trapway. The g features industry-leading 1g technology, offering a powerful flush that flushes completely and fully with only one gallon of water. the features 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 toilet bowl includes cefiontect, a layer of exceptionally smooth glaze that prevents particles from adhering to the ceramic. This feature, coupled with tornado flush, assists to reduce the frequency of toilet cleanings, minimizing the usage of water, harsh chemicals, and time required for cleaning. This two-piece toilet is designed in universal height, which allows for a more comfortable seat position across a wide range of users. This Nexus model is t40 washlet+ compatible for when you are ready to upgrade. Washlet+ toilets feature a channel on the bowl surface to help conceal your washlet+ supply line and power cord creating a seamless integration. This Nexus two-piece model is also equipped with autoflush compatibility for when you have upgraded to an auto-flush-ready washlet. The nexus comes ready for installation into a 12" rough-in, but may be adapted for a 14" rough-in with the purchase of a separately sold adapter. The nexus meets the standards for EPA WaterSense and California’s cec and Walgreen requirements. Features a left-hand chrome trip lever and includes an ultra-slim soft close seat, ss234. Additional items needed for installation and use must be purchased separately: wax ring, toilet mounting bolts, and water supply lines.