Key Features:- Axial flow design creates an efficient pressure difference for optimal air movement.- Operated via your bathroom light switch to swiftly extract excess humidity.- Zone 1 rated for safe installation in moisture-prone areas.- Versatile installation options, including recessed wall, ceiling, portrait or landscape mounting.- High-efficiency long life motor rated for up to 40,000 hours with variable speed adjustment.- Ultra-quiet operation at 12 dB and a robust extraction rate of 54m³/hr.- IPX5 rated for protection against water jets from any angle.- Includes back draught shutters and comes with a 5-year guarantee.This extractor fan utilises an axial design that directs airflow parallel to the rotating blades, generating the necessary pressure difference to promote efficient ventilation. Its smart switch operation, activated through your bathroom light, conveniently eliminates excess humidity after showers or baths. Engineered for high moisture environments, it is Zone 1 rated and meets strict UK electrical safety standards. The fan's flexible installation options, whether recessed in a wall or ceiling or mounted in portrait or landscape, ensure a seamless integration into your bathroom design. Moreover, its high-efficiency motor provides long-lasting performance while the quiet operation and effective extraction rate maintain a comfortable environment.Technical Specifications:- Height: 159mm; Width: 159mm; Overall Depth: 121mm- Protruding Depth: 38mm; Fan Size: 100mm (4 inches)- Max Flowrate: 22 Lts/sec; Fan Speeds: 2- Control Type: Standard; Mounting Location: Wall & Ceiling- Fan Shape: Square; Installation Kit: Not Included- Room Suitability: Toilet & Bathroom; Range Name: Silent.