Simply Silent Shower Fan Complete with installation kit 4" 100mm extract fan with round grille fascia, featuring Ghost Air Movement Technology for quiet running.Sound pressure level db(A)@3m 22 / 34Supplied with 3M flexible ducting and white external grilleExtremely quiet running 88% improved extraction rate over comparable inline fans2 Operation SpeedsSimply Silent Shower Fan Complete 4" 100mm extract fan with round grille fascia, featuring Ghost Air Movement Technology for quiet running. Operated by a remote switch or sensor. Features integral timer that is adjustable at installation from 30 seconds to 30 minutes. Supplied with ceiling fitting kit comprising of 3M flexible ducting and white external grille.Technical SpecificationColour: WhiteIP Rating: IPX4Timer (adjustable 0.5 – 30m): YesExtract Performance: 54/76 m³/hExtract Performance: 15/21 l/sElectrical Power Rating: 6.0/6.7WSound Pressure Level: 22/34 dBA@3mSpecific Fan Power: 0.32 W/l/sDimensions (HxWxD): 178.1 x 178.1 x 122.