... electric heater Quality certification :TUV,UL Stainless steel heating pipe Features: 1.The structure of tubular electric heating ... . 2.Electric wire ends through the two educing club connecting with power, it has a simple structure, long life ... materials: magnesium oxideTube Material: Stainless steel seamless pipe, welded pipe, copper, yellow brass pipe, carbon steel pipeCommon diameter:Φ22,Φ20,Φ18 ...