18 Inch Undermount Fireclay Kitchen SinkNantucket Sinks'' Wellfleet-1818W is a new addition to our Cape Collection. By popular demand, we offer this smaller undermount fireclay kitchen sink. A square single bowl design, it gently slopes and tapers to the bottom of the basin. The compatible bottom grid and drain are included. The top edge of the sink is finished with white porcelain enamel glaze so it can be reveal mounted. There are many benefits to fireclay; eco friendly in its need for less cleansers and its natural material. The petite size allows for smaller island applications. Glazed in classic white, the Wellfleet-1818W is here and ready to help you go apronless!• A note about fireclay sinks: due to the curing process, small surface cracks typically appear on the underside of the sink. These cosmetic flaws are from the molding process and do not affect the performance or visible luster of the sinkShape: SquareExterior Dimensions: 18" x 18" x 8.5" nominal may vary by .25"Interior 15" x 15" x 7.875 nominal may vary by .25"Protective bottom grid is includedStainless steel finish drain includedDue to firing process, shrinking will occur and named dimensions are nominal onlyDualmount - may be undermounted or topmountedProfessional installation only - mounting hardware not included