Electric Infrared Heater Panel Emitter Overall Length 48 in Overall Width 3 in Overall Depth 3 in Voltage 208V AC Wattage Output 3 150 W For Use With CH-420-1C CH-420-3A Mfr No MR-420-1 Amperage 15.14A 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