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