Sterling 402081-0 Windham 12-Inch Rough-in Elongated Toilet, White Crafted of Grade A vitreous china to provide a durable, non-porous product with a hard, glossy finish Uses 1.28 gallons of water per flush; meets today's strict water conservation standards Optimized siphonic flush action maximizes bulk waste removal; one flush cleansing guarantee Large 9" x 8" water surface keeps bowl clean and reduces odor Elongated bowl has an extended rim length for comfortable use by adults