Filter fan Rated power: 42 W. Mounting method: Snap mounting Colour: White Voltage type: AC Operating voltage at AC 50 Hz: 120 V. RAL-number: 7035 Suitable for 19 inch rack mounting: no Number of fans: 1 EMC-version: no With protective cover: no With filter: yes Roof ventilator: no Built as slide-in ventilator: yes Volume flow, freeblowing: 250 m³/h. Air circulator: yes Suitable for wall built-in: yes Noise emission: 56 dB(A). Degree of protection (NEMA): 12 Protection category: IP54