Model Name CALDER Brand & Style Whitebirk Heritage Collection Cabinet Size 600m Waste Size 90mm Basket Strainer with Round Overflow Standard Waste Chrome Installation Built-in / Sit-on Material Fireclay Ceramic Finish White Glazed Ceramic External Dimensions 400 x 165mm Internal Dimensions 350 x 140mm RRP €720 excluding waste kit Whitebirk basket strainer waste kits in a chrome finish with matching overflow disguises are €95. Generic waste kits from Italy in a Chrome finish are also available for €20. Antique Brass or Brushed Gold finish waste kits from Italy are €75 for this sink. The CALDER sink weighs 16Kg. Delivery charges may apply.