Rittal SK 5050.700 SK Adaptor for roof mounted fan, , WxD 385x305mm, cutout WxD 258x258mm, for old cutout: WxD 345x265mm, for old roof mounted fan: 3148007, 3149007, 3169007
Rittal DK 5501.460 DK Slide rail, support surface width: 25 mm, depth-variable, 80 kg, For two 4826 mm (19")-mounting angles (front+rear), distance between levels:: 400-600 mm