100mm/4 size Profile depth of 22mm Built in over-run timer 2-30mins Extraction rate of 90m3/hr Low noise level of just 35dBA at 3m Suitable for kitchens, bathrooms and toilets. Designed to be fitted into walls and ceilings. Slim profile compact, attractively styled, easy to wipe clean and duct over short lengths. Ideal solution for removing damp moist air, odours and airborne pollutants from kitchens, toilets and bathrooms. Adjustable over run timer 2 30 minutes Quiet and efficient Double insulated, does not require an earth Compliant with latest Building Regulations (Part F) & (Part L) Conforms to BS EN 60335-1:2002, BS EN 60335-2-80/A2:2008 SFP: 0.44