Whitehaus WH3618 36-Inch Duet Reversible Fireclay Sink with Smooth Front Apron, Biscuit silicone Imported 3 1/2" offset center drain Sink is finished on all four sides Drains RNW35L, RNW50L, or WH202 must be used Matching Grid GR3618 Recommended that sinks be supplied to your cabinetmaker prior to the fabrication of your cabinets and counter tops. Sink is finished on all four sides 3 1/2" offset center drain Drains RNW35L, RNW50L, or WH202 must be used