... well integrated, high-intensity insulation, thermal stability, heat evenly, Electric conversion efficiency, fast heating, thermal inertia of small, clean, ... it. Technical Parameter:Voltage rating: 380V,220V,110V,55V(standard voltage: 220V)Heating power: 300-1000W 325W,400W,500W ... 4-8um,11-25um Interest-free model number of standard exterior size:(special requirement customizing) safety pin (General ...