S1K (22mm flat profile / 45° with mitered corners or with full corners). Double sides aluminum snap frame, width of frame molding: 22mm (front frame all around) , and the overall depth of the light box is just 28 mm. LED running down long side, edge-lighting for two sides. Can be suspended by wires from the ceiling, with free fittings : two hangers,steel wire rope and aluminmum pipe for installing the light box. Can be provided with speical metal fittings if requested, but the electric cable system is separated, please notice.
