Electric Infrared Heater Panel Emitter Overall Length 48 in Overall Width 3 in Overall Depth 3 in Voltage 240V AC Wattage Output 3 150 W For Use With CH-424-1A CH-424-1C Mfr No MR-424-1 Amperage 13.13A 1 Phase Material Black Quartz Cloth Cement Bond Refractory Board and Resistance Wire Steel Frame Includes Element Panel Assembly Heater Housing Guard Mounting Hardware Manufacturers Warranty Length 1 yr Standards ETL US Canada