Product Details: US Part Number: GNX11018 Cabinet Size: 21" Waste Outlet Diameter: 3 1/2" Faucet Hole: None Dimensions: 18 15/16"x16 7/8" Bowl Size: 17 3/4"x15 3/4"x7 7/8" Number of Bowls: 1 Type of Material: 16 ga Stainless Steel