• Pickled and phosphated steel housing with polyester powder-coated finish, resistant to the aggressive action of atmospheric agents • Nominal diameter 125 mm • High efficiency electronically controlled (EC) commutator motor coupled to a backward curved impeller, guaranteeing a wide range of adjustments and significantly reduced energy consumption, per unit of performance delivered. • Operation controllable by remote sensors monitoring: Temperature, Relative Humidity, Smoke and Presence • Zinc-coated steel brackets for wall mounting • Speed control with 0-10 V signal