Holding Cabinet, heated, doorless, pass-through, stackable, 1/2 size, (4) individually heated shelves, digital controls, individual shelf timers, built-in removable food covers, holds (8) 12" x 20" or (4) 18" x 26" pans, side loaded, stainless steel construction, 3" swivel casters with brakes, cETLus, ETL-Sanitation