Miseno MNO1812RU Undermount 18" X 12" Bathroom Sink with Integrated Overflow Constructed of vitreous china Undermount installation Rear drain location increases available space under the sink Equipped with an overflow to prevent water overflow and spillage ADA compliant Overall Height: 8-1/4&#034; (measured from the bottom of sink to the top of the rim) Overall Width: 14-9/16&#034; (measured from the back outer rim to the front outer rim) Overall Length: 21-1/16&#034; (measured from the left outer rim to the right outer rim) Basin Width: 12-3/16&#034; (measured from the back inner rim to the front inner rim) Basin Length: 18-11/16&#034; (measured from the left inner rim to the right inner rim) Basin Depth: 7-1/8&#034; (measured from center of basin to the rim) Installation Type: Undermount (sink is mounted to the underside of countertop via included clips) Pre-Drilled Faucet Holes: 0 Drain Outlet Connection: 1-1/2&#034; (standard - fitting most every drain assembly)