... element/water heating element/electric heater Quality certification :TUV,UL Stainless steel heating pipeFeatures: 1.The structure of tubular electric heating ... :Φ22,Φ20,Φ18,Φ16,Φ14,Φ12,Φ10,Φ8.5,Φ8,Φ6.5Length:200mm5000mmSurface treatment: a variety of plated nickel, passivation, ... can change with your requirements. Quality guarantee, welcome to inquiry. Stainless steel heating pipe used for boiler