Futura+ Fixed light Use: The Fixed light is most often used in conjunction with other windows with opening sashes. The fixed light is used only as a light source. Function: In the fixed light, glass is mounted directly in the frame and is without any kind of opening function. Product information:Uw: Triple: 0,68 W/m²K Glass dimensions: 48 mm (4-18-4-18-4)Styling bar: 22/22 mm, 53 mm and 116 mmFrame dimensions: 50 x 149 mm / 175 mm