Opera Farmhouse Fireclay 30 in. Single Bowl Kitchen Sink The Opera Collection by Empire Industries is Made-in-Italy using the finest raw materials and fired at 2300 degreeF for more than 20 hours. These beautiful timeless farmhouse sinks are extremely durable and made to last. The long glazing process provides a smooth, gloss-like finish that is resistant to chips, scratches, stains and is easy-to-clean. The Opera sinks are glazed on all 4 sides and are reversible.- Minimum Cabinet Size: The width of the sink- Overall Sink Dimensions: 30 5/16" x 20 5/8 " x 10 5/8"- Inner Sink Dimensions: 28 1/2" x 17 1/2" x 9"- Reversible farmhouse sink- Standard 3-1/2" drain opening (Centered) - Due to sink thickness an extended disposal / strainer is recommended - Due to +- 2% dimensions, it is recommended that the cabinet maker wait until your sink is delivered to make the cabinetPlease note: Product dimensions may vary slightly from installation dimensions.