hotLOGIX Humidified Holding Cabinet/Heater Proofer-HL4 Series, one compartment, full height, insulated, (36) 12" x 20" or (18) 18" x 26" pan capacity, 3" fixed wire universal slides, (1) single pane tempered glass door, bottom-mount forced air heat with water reservoir, mechanical controls, aluminum construction, (4) 5" swivel casters (2 with brakes), ETL, ETL-Sanitation (RapidShip)