... part for heating elements It uses metal and far-infrared radiation milky white quartz tube, ultra-high-quality insuranc ceramic part for heating ... , thermal stability, heat evenly, Electric conversion efficiency, fast heating, thermal inertia of small, clean, easy to install, ... is a substitute for it. Technical Parameter:Voltage rating: 380V,220V,110V,55V(standard voltage: 220V)Heating power: 300- ...