Exterior shutter blind: 1.Material:Aluminum alloy 2.Size:At your request 3.Surface treatmennt:Powder coated, galvanized Galvanized Exterior Shutter Blind Specifications:1.Material:Alumiumn Alloy Extrusion; or Galvanized Steel frame.2.Size:Any Length and Width are available.3.Blade:Double blades or Single blade.4.Back:Steel screen insect, Stainless screen insect, steel mesh for insect proof net.5. ...