Flange immersion heater is made of seamless stainless steel tube, high-quality Mgo, High Ohm NiGr alloy wire. Flange immersion heater is more heat exchange efficient, that means flange immersion heater could standard 3 to 4 times wattage. Flange immersion heater is made of advanced production equipment and through strict quality test. Characteristic fast temperature rise heating uniformity heating exchange efficiently long-time usage appliance.