This 100mm extractor fan from Vent-Axia combines a sleek design with ultra-quiet operation. With an IPX5 Zone 1 rating, it's perfect as a bathroom fan but equally suitable for toilets and utility rooms. It features a humidistat with a fixed 15-minute timer overrun, making it suitable for bathroom use. The fan offers near silent operation with a noise level as low as 12dBA at 3m and an extraction rate of 77m³/hr with a fan speed of 2032 rpm. It is easy to install with a 100mm ducting connection size and has a sleek design measuring 175(H) x 171(W) x 129(D)mm. It is Building Regulations approved for Document F and L. The fan also features a high efficiency motor and a 100mm, 4 inch, forward curved, seven blade impeller. It offers two fan motor speeds for precise ventilation specific to the individual installation. Factory preset to 15L/s for toilet installation, it may be adjusted on install to 21L/s for bathroom use and thus fully complies with current building regulations Part F&L. Specifications: Extraction Rate 22Ltr/sec, Noise Level 12dBA at 3m, Ceiling or Wall-Mounted, No Built-In Shutter, Humidistat & Timer, High Efficiency Motor.