VELUX GGU/GGL/GPU/GPL/GHU/GHL/VU-Y/VL-Y/VKU, 1991-2000 - Size codes: 102, 104, 204, 206, 304, 306, 308, 310, 406, 408, 410, 606, 608, 610, 808, 810. VELUX GGU/GGL/GPU/GPL/GHU/GHL/VU-Y/VL-Y/VKU, 2000 to the end of 2009 - Size codes: C02, C04, F04, F06, F08, M04, M06, M08, M10, S06, S08, S10, P06, P08, P10, U04, U08, U10.
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