12616 VORTICE 150/6″ ARI-LL-S – Wall Fan • Model designed for installation recessed into wall. • 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. • IMQ SAFETY and IMQ PERFORMANCE . Six inch cut hole Works best with a CR5 Vortice speed controller which are sold online separately.