... 50 model, UPC approved 4.Countertop 50/50 Stainless Steel Sink with Granite countertop: We offer a variety of SUS304/18 guage ... drop in)2. Single Bowl Stainless Steel Sink: Kitchen sink, U/M Sink, Drop-in sink,size with 24"x21",18"x15,15"x12",25 ... : 86 13506020810 50/50 Stainless Steel Sink: 60/40 Stainless Steel Sink: 40/60 Stainless Steel Sink: Granite Countertop with Stainless Steel Sinks: