Elkay ELUH4020DBG Harmony Undermount Triple Bowl Sink Installation Type: Undermount Material: Stainless Steel Thickness: 18 Gauge Sound Deadening: Sound Guard Number of Bowls: 3 Minimum Cabinet Size: 45" Sink Dimensions: L: 40" W: 20-1/2" Primary Bowl Depth: 9-7/8" Bowl Dim.: 14" X 18" X 9-7/8" Bowl Dim.: 7-1/2" X 15-3/4" X 5" Drain Size: 3-1/2" Code Compliance: CSA, IAPMO A Magnificent Blend of Traditional and Contemporary Themes, the Harmony Line Embodies Simplicity Yet Resonates Sophistication. Featuring Straight Lines and Rounded Profiles, this Sink Family Offers an Unrivaled Transitional Geometry, that Fits Well in all Design themes. Available in Stainless Steel and Copper; Undermount and Top Mount Designs.