Cold Food Well Unit,drop-in,ice cooled,18-13/16"W x 26-3/4"D x 10"H (overall),17-1/4"W x 23-3/8"D (cutout size),9" deep well with 1" drain,accommodates (1) 12" x 20" pan inserts up to 6-1/4" deep (with additional space below for ice),insulated,18/304 stainless steel self rimmed top,black polyethylene thermal breaker,20/300 series stainless steel bin,20 gauge galvanized steel exterior,NSF