... heater Quality certification :TUV,UL Electrical Stainless steel pipe heater Features: 1.The structure of tubular electric ... Safe using and reliablity, is the preferred electrical heating pipe for manufacturer of various electric appliances. 4.Heating ... magnesium oxideTube Material: Stainless steel seamless pipe, welded pipe, copper, yellow brass pipe, carbon steel pipeCommon diameter:Φ22,Φ20,Φ18 ...