VELUX swing and folding swing windows of the series GGU/GGL/GPU/GPL/GHU/GHL/VU-Y/VL-Y/VKU, manufactured from 1991-2000 (Size codes: 102, 104, 204, 206, 304, 306, 308, 310, 406, 408, 410, 606, 608, 610, 808, 810).
eBay