Window Type: GGL, GGU, GPL, GPU, GHL, GEL, GDL. Velux size code : 102, 104, 206, C02, C04, F04, M04/304, M06/306, M08/308, P06/406, P08/408, S06/606, S08/608, U08/808, CK02, CK04, FK06, MK04, MK06, MK08, PK06, PK08, SK06, SK08, UK08.
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