SK Fan module 100-240 V, 50-60 Hz, speed-controlled, (2 fans, max. 3 fans) 280 m³/h, for VX IT, WxHxD: 550x42x220 mm, RAL 7035, Fan module for VX IT, TS IT, Carbon steel, spray finished, RAL 7035, 1 fan unit 2 fans Wired ready for connection Assembly components Installation and Short User's Guide, 550 mm, 42 mm, 220 mm, 21.7 in, 1.65 in, 8.66 in, 100 V - 240 V, 1~, 50 Hz/60 Hz, 21.5, IP 20, 84145915, 1 pc(s), 5.401 lbs, 4028177966253, For active ventilation. The unit may optionally be extended with additional fans. Simple connection technology and energy-efficient speed control.