Elkay PBLS3322D7SN4 Revere Puritan 33-by-22-by-7 Inch Single Bowl Drop-In Stainless Steel Kitchen Sink Soft satin buffed and machine ground finish Fully undercoated spray to deaden sound, prevent condensation and retain heat Elegant in appearance and unsurpassed for stain resistance 300 series stainless steel 1 year warranty against defects in material and workmanship to the original purchaser