... 2.water-proof and heating resistant 3.far infrared heating infrared quartz element Quartz tubes TypeVoltagePowerLengthODHeating wireXD-Q10220V-240V300W ... advantage as bellow:1.Infrared radiation in instant heating, and the transmissivity of infrared is arrived to 70- ... hours7.CE.CB, RoHs approved8.Widely used in infrared heater,cooking,oven,stove,baker,painting dryer,drying apparatus ...