... heater:1, high-grade silk screen design, stylish and elegant,2, high-quality enamel interior, pressure, corrosion resistance, anti-knock3 ... powder coating,heating tube: s/s 316, warm-keeping layer: non-fluorine amine-gathering resin,product Watt:2000W, Waterproof ... . protection of Water is completely separated from electricity by double layer2. protection of electricity leakage.3;protection of over ...