LJXH 2inch BSP Solar Water Tank Heating Element DN50 58mm Thread Electric Heating Pipe Full 304 Stainless Steel Product Name: Water Heater ElementTube Length: 230mm/255mm/300mm/355mmTube Diameter: 10mmThread DIameter: DN50 (58mm/2inch)Voltage: 220V/380VPower: 3KW/6KW/9KW/12KWTube Material: 304 stainless steelThread Material: 304 stainless steelPackage Contents: 1x heater/1xsilicone gasket/1xcap To costly all,1. Heaters are advertisement products, now not vase. some can have flaws, similar to weld, such as stainless steel trace and varnish trace. that&;s normal. Because the heating cord contained within the heater tube is product of OCr25A15 which is Magnetic, it's regular that the detail would be adsorbed by way of magnet. Under the placement of insulation, the overseas ordinary for the heater energy accept allowance -10% to 5% you are care about these, please consider carefully before make order. We don't settle for dispute or unfavorable suggestions about those you on your attention.