• Model designed for window/wall mounted installation. • Reversibility function (intake or extraction). • Automatic shutter: prevents the entry of cold air and bad smells when the appliance is switched off. • Material: UV resistant ABS plastic (prevents ageing caused by exposure to sunlight). • Nominal diameter 150 mm. • Motor protected against thermal overload, with shaft turning in ball bearings, coupled to screw type thermoplastic impeller with wing profile blades.