Simply Silent DX100 square grille fascia 4' 100mm extract fan with integral over-run timer featuring Ghost Air Movement Technology for quiet running. For use with an external switch or sensor. Is typically connected to the room lighting circuit. Fan continues to work after the fan is switched off. The timer is adjustable at installation from seconds to 30 minutes.

Key Features:Extremely quiet running - only 22dBA@3M at low speedStylish traditional grille design available in square and round2 speeds 15l/s and 21l/s - selectable at installSuitable for wall, ceiling, panel and window fittingComplies with building regulations Part F and LElectrical power rating (W):6.7 / 7.7Extract performance (FID, M³/h) Max/Min:54 / 76Extract performance (FID, l/s) Max/Min:15 / 21Sound pressure level db(A)@3m:22 / 34Specific Fan Power (SFP) (W/l/s):0.45 / 0.37Operation Speeds :2UK Guarantee (Years):2IPX Rating :4Timer:Yes