Description
                        •	Casing and motor-support made of galvanized sheet steel; lined internally with melamine sound-proof panel (thickness 50 mm).
•	Circular spigots for connection to standard tubes, equipped with double lip rubber seal for perfect air tightness.
•	Nominal diameter: 160 mm.
•	External rotor AC motorfan, with shaft turning in ball bearings, coupled to a backward curved centrifugal impeller.
•	Galvanized steel sheet brackets, directly coupled to casing.
•	Electric connection box accomodating capacitors, molded with shock-proof plastic resin resistant against aggressive agents, integrating cable cages and cable glands to ensure high protection (IP55) against dust and water.
•	3 alternative installation: wall, ceiling and false-ceiling.
•	Easy maintenance: motor is directly fixed to the cover, in turn hinged to the casing, allowing easy external rotation and motorfan direct access.
•	Protection against dust and water: IP44. 
•	Electric insulation class: I (grounding is required).