Whitehaus Collection's 3 1/2" basket strainer fits all 3 1/2" kitchen sinks, except deep fireclay applications, and is available in different finishes. Fits Quatro Alcove Series Fireclay Sinks. Fits Fireclay Quatro Alcove Sink Models: WHQ330,WHQ530, WHQ536, WHQD540, WHQDB332, WHQDB532, WHQDB544 Fits all 3 1/2" kitchen sinks except deep fireclay applications Click here to view Product Specs as PDF Basket StrainerKitchen Sink Accessories MODEL NO - RNW35ACO