Complies with Part F building regulations., Extraction Rate 245m3hr, BEAB Approved British Electrotechnical Approvals Board the main symbol used for UK domestic appliances deemed to be safely manufactured, Noise Level 40dBA at 3m, In Line Mounted Loft Ceiling, Ball Bearing Motor, 2 Speed Settings, IPX4., Hole diameter 112mm., Ducting length 10m., Flush fit., Spigot diameter 100mm., Fixings included., Noise level 24dBA.