From The Manufacturer
Slimline Cold Food Drop-In Unit, refrigerated cold pan, 48-1/4" long, 18-1/4" high, accommodates (2) 4" deep x 12" x 20" pans, stainless steel top & interior liner, steel exterior housing, with drain, (1) adapter bar included, remote mounted on/off switch, 5" deep cold pan, cULus, NSF