Knightsbridge Extractor Fan with Timer This low noise 100mm quiet bathroom exhaust timer fan is designed for use in toilets, kitchens, or anywhere with damp air or odours. This fan is suitable for use with up to 3 metres of ducting. The Knightsbridge EX001T conforms to all relevant building standards, significantly reducing the risk of mould or damp in your home or workplace. The smooth, attractively styled plastic casing is easy to wipe clean, and is double insulated, requiring no earth. The EX001T builds on the Ex001 model, introducing an integral overrun timer which can be set to 2-30 minutes of extra operation after room use, ideal for removing odours in kitchens or steam from smaller bathrooms. Wall & Ceiling fan Easy to clean Removes damp vair, odours, & airborne pollutants Quiet operation Overrun timer Main Features: 100mm/4 Size Slim compact Profile with 22mm Profile Depth 90m3/Hr Extraction Rate Low Noise Level of just 35dB at 3m Tech