External Decorative Aluminum Shutters 1.Size:Any sizes avalable 2.Frame material:Aluminum alloy 3.Blade:Single or double External Decorative Aluminum Shutters Specifications:1.Material: aluminum alloy2.Size: HxW, different sizes available.3.Blade: single or double blades.4.Back: Steel mesh, stainless steel mesh for insect proof net.5.Location: External wall, pillar and terrace and so on.6. ...