The Toto Carlyle Toilet is a stylish high profile elongated one piece toilet with 12" UniFit rough-in. Low consumption (6 Lpf/1.6 Gpf) siphon jet flushing action. The Carlyle toilet comes with the G-Max flushing system, which is perhaps the most respected (and demanded) flushing system in the world. For years, our competition has been trying to duplicate the same powerful flush that has made us the brand preferred by countless professional plumbers, innovative builders, and discriminating homeowners.