Product Catalog Product Catalog > Magnesium bar  Total 41 items Showing 9   Prev   Next  click for larger photo Magnesium bar Name︰ Magnesium bar Country of Origin︰ China Product Description It can help the equipment of the solar heater system such as the water tank and the evacuated tubes preventing water incrustation, melting silt and preventing erosion by lower cost. Product Image  Total 41 items Showing 9   Prev   Next  Related Products Glass-evacuated Tube Solar Water Heater Pressured solar water heater with heat pipe vacuum tubes Screw type Back Up Heater heat pipe solar big style heat collection project Powered by DIYTrade.com