Bake Center Companion Heater-Proofer Cabinet, mobile, half size, (4) pair universal tray slides, (4) 18" x 26" or (8) 12" x 20" pan capacity 4-1/2" OC, humified holding system, adjustable thermostat, individual proofer controls, insulated, stainless steel construction, 5" casters (2) rigid & (2) swivel with brakes, UL, cUL, NSF