CST446CUMG#01 Toto Aquia IV 1G 1.0 GPF and 0.8 GPF Elongated Toilet - Cotton White The modern look of the 2pc, regular height Aquia IV toilet, features our renowned DynaMax™ Tornado Flush® technology in an ultra-high efficient 1.28/0.8 gpf or 1.0/0.8 gpf. This toilet features our CEFIONTECT® ceramic glaze which prevents debris and mold from sticking to ceramic surfaces.27-3/8 in L x 15-9/16 in W x 29-5/16 in HDYNAMAX TORNADO FLUSH system, ultra high-efficencyCEFIONTECT ceramic glaze prevents debris and mold for sticking to ceramic surfacesSkirted DesignNon-clog 2.5 in trapway with clear glaze coatingQuiet FlushElongated front bowl and tank set, less toilet seatDual Flush operationChrome push-button12 in Rough-in