Vent Axia 477436 100mm/4" Silent Extractor Fan With Humidistat White 240V (VASF100HT)\r\n- Humidity Controlled and Overrun Timer.- IPX5 - Sutiable for bathroom Zone 1.- Quietest bathroom fan at an astonishingly quiet 12dB(A).- Suitable for wall, ceiling, window and panel mounting.- Stylish and silent ventilation without compromise on performance.\r\nThe Vent Axia 477436 100mm/4" Silent Extractor Fan is extremely quiet bathroom fan with high efficiency motor. Improved performance and indoor air quality. It provides stylish and silent ventilation without compromising on performance, but now comes with even more features and more model options providing flexibility when choosing the right fan.\r\nFeatures:\r\n- 1 of 2 speeds selectable at installation [fixed or intermittent].- Extraction Rate 22Ltr/sec.- Voltage: 240V.- Noise Level 12dBA at 3m.- Ducting Size: 100mm.- Meets current building regulations approved document F and L.- Ceiling or Wall-Mounted.- Ducting Not Included.- Mounting: Ceiling, Panel, Wall, Window.- No Built-In Shutter.- Humidistat & Timer.- High Efficiency Motor.- Backdraught shutters included.- Item Weight: 0.690 Kg.- Operation Type: Timer [15 mins] + Humidistat [60 - 80%].\r\nDimensions: (L)160mm x (W)160mm x (D)117mm.