STERLING 402215-96 Windham 12-Inch Rough-in Elongated Toilet, Biscuit Crafted of Grade A vitreous china to provide a durable, non-porous product with a hard, glossy finish Uses only 1.6 gallons of water per flush; meets today's strict water conservation standards Elongated bowl has an extended rim length for comfortable use by adults Three-bolt quick-connect installation system One flush performance limited guarantee