We offer a Drop-In Frost Top with a stainless steel top that is elevated by 1 inch and includes a drain trough and a 2-inch overhang. The exterior housing is made of galvanized steel. It features an on/off toggle switch and self-contained refrigeration using R290 refrigerant. The unit requires a cutout size of 58-1/2" x 25" and is cUL, UL, and NSF certified. We also have other frost top and cold slab units available.