1, Heating element steel tube 2, CE & ISO certificates 3, with/without nickle or silver plating Heating element steel tube Features Model ... brass flangeMg anode holewith/without (M5/M6/M8)Remarks:1, Our heating elements are available in Copper, SS304, SS 310, SS316 ... Diameter & length of the heating tube(4) Drawing or Sample required for special configurationWe guarantee: (1) every single product is ...