Electric Infrared Heater Panel Emitter, Overall Length 27 in, Overall Width 12 in, Overall Depth 3 in, Voltage 240V AC, Wattage Output 4,300 W, For Use With Mfr. No. FHK-624-3A, Amperage 10.4A/17.9A, 1 or 3 Phase, Material Black Quartz Cloth, Cement Bond, Refractory Board and Resistance Wire, Steel Frame, Includes Element Panel Assembly, Mounting Hardware, Manufacturers Warranty Length 1 yr, Standards ETL US & Canada