Complete fan unit for tool-free mounting on surfaces. Air throughput from 20 - 900 m³/h, protection category IP 54 as standard. 24 V (DC) DC: 0.43 A Width: 255 mm Height: 255 mm ( Width: 10 ˝ Height: 10 ˝ ) Cutout width of opening: 224 mm Cut-out height: 224 mm ( Width of opening: 8.82 ˝ Cut-out height: 8.82 ˝ ) SK 3240.124 FILTER FAN 106CFM