[Aluminum Profile]" Openback Plain 3" - Black Anodize/Black " Openback Plain can be used for the manufacture of window frames and door frames in offices, schools, and many other buildings that use this plain openback. This profile is very suitable to be used as a wood replacement frame, because it has many advantages including: 1). Environmentally friendly because it can be recycled 2). Very light 3). Fireproof 4). Anti Poros 5). Resistant to weather changes We stock these plain Openback profiles in 3" & 4" sizes. Available in color variants: - CA (clear anodized) - BR (brown anodized) - HT (black anodized) - PC (powder coating) artic white, brown, black. And can be customized with the color desired by the buyer. For more information please contact us.