Skylux piramide acrylaat lichtkoepel enkelwandig pmma opaal 0400 x 0400 mm KQPV2000 VLKS1 0700 1600 0 openable version with solar 0 openable version with solar control glass 0800 x 2200 mm: This PVC frame with hinges on short side 0400 x 2200 mm is designed to be installed between the curb and the skylight