TOTO Universal Height Toilet Bowl, Connelly® Collection, Elongated Shape, 1.28 gpf Flush Rate, 2-1/8 in Trapway, 5-1/2 x 4-3/16 in Water Surface Area, 12 in Rough-In, 2-1/8 in Trap Seal Diameter, 16-1/8 in Rim Height, Minimum Water Pressure: 8 psi Flowing, Floor Mounting, For Use With: Connelly® ST494M Dual Flush Tank, Vitreous China, Finish: Cotton, 28-3/4 in L x 15-7/8 in W x 16-1/8 in H, Domestic/Import: Import