Whitehaus WHNDBU3118GDL-BSS Noah'S Collection 32 1/4-Inch Double Bowl Undermount Disposal Sink, Brushed Stainless Steel 18 gauge, 304 series Stainless Steel 18/8 Chrome and Nickel Content Full undercoat under sound deadening pads 3 1/2 inch rear center drain opening Includes mounting hardware and a template Matching grid whngd3118g 18 gauge, 304 series stainless steel 18/8 chrome and nickel content Full undercoat under sound deadening pads 3 1/2" rear center drain opening/large bowl 3 1/2" center drain opening/small bowl