Solar panel 1.Solar Keymark approved 2.The absorber,bluetec eta plus imported from Germany 3.Max. operating pressure:6bar Pressurized Solar panel1.CE,CCC ... ,ISO9001,ROHS ,Solar Keymark,approved 2.OEM/ODM is welcomed ... insulation, depth 50mm.· 3.2/4.0mm low-iron solar glass with max. light transimission, which is meet to ...