SK Fan expansion kit, speed-controlled, 113 cfm unimpeded airflow, for fan modules, WHD:119x25x119 mm, RAL 9005, Fan expansion kit for VX IT, TS IT, Plastic, RAL 9005, Fans Protection grille Assembly components Installation and Short User's Guide, 119 mm, 25 mm, 119 mm, 4.69 in, 0.98 in, 4.69 in, 24 V (DC), 7.7, IP 20, 84145915, 1 pc(s), 0.661 lbs, 4028177966345, Fan expansion kit with integrated speed control for retrofitting in fan modules 5503.010, 5503.020 and 5503.025.