This 100mm extractor fan from Vent-Axia combines a sleek design with ultra-quiet operation. It has an IPX5 Zone 1 rating, making it perfect for bathrooms, toilets, and utility rooms. The fan features an adjustable overrun timer (5-30 minutes), operates at only 12dBA at 3m, and has an extraction rate of 77m³/hr at a speed of 2032 rpm. It connects to 100mm ducting and meets Building Regulations approved Document F and L. The unit dimensions are 175mm (H) x 171mm (W) x 129mm (D). It also includes back draught shutters and offers two speed options selectable at installation.