• Material: UV resistant plastic (prevents ageing caused by exposure to sunlight)• Nominal diameter 100 mm.• Motor protected against thermal overload, with shaft turning in self-lubricating bushings, coupled to screw type thermoplastic impeller with wing profile blades.• Maximum air flow: 85 m3/h.• Non-return damper fitted to outlet port.• IMQ SAFETY and IMQ PERFORMANCE certifications.• Vortice speed controller.