Proofer/Heater Cabinet, mobile, undercounter, (4) pair universal tray slides, (4) 18" x 26" or (8) 12" x 20" tray capacity, 4-1/2" OC, adjustable on 1-1/2" increments, humidified proofer/heating system, adjustable thermostat, separate controls, non-insulated cabinet, (1) insulated door, recessed hand grip, removable water reservoir, stainless steel interior & exterior, (4) 3.5" swivel casters with brakes, UL, cUL, NSF