Kitchen Sink Basket Strainer Fits Whitehaus Collection DUET series # WH3018, WH3618, WH3719 Fits Whitehaus Collection REVERSIBLE SERIES For standards 3 1/2 inch sink holes Fits Only Specific Fireclay Models For Deep Fireclay Sink Application Antique Brass Other Finishes Available 3 1/2-Inch Diameter