Nominal diameter 230 mmMaterial: UV resistant ABS plastic (prevents ageing caused by exposure to sunlight)Model designed for window/wall mounted installation.Version with built-in switch operated by pullcord mounted to edge of grille.Made in ItalyModel designed for window/wall mounted installation. Version with built-in switch operated by pullcord mounted to edge of grille. Material: UV resistant ABS plastic (prevents ageing caused by exposure to sunlight). Nominal diameter 230 mm. Motor protected against thermal overload, with shaft turning in self-lubricating bushings, coupled to screw type thermoplastic impeller with wing profile blades. IMQ SAFETY and IMQ PERFORMANCE certifications.