Simply Silent LV100 round grille fascia 4\' 100mm extract fan, featuring Ghost Air Movement Technology for quiet running. For use with an external switch or sensor. Is typically connected to the room lighting circuit. Supplied with wall fitting kit comprising of the outer grille, telescopic wall tube, gasket, and foam strips. Supplied with 12V transformer.\r\nKey Features:\r\n\r\nExtremely quiet running - only 22dBA@3M at low speed\r\nStylish traditional grille design available in square and round\r\nSupplied with wall fitting kit - complete one-box installation solution\r\n2 speeds 15l/s and 21l/s - selectable at install\r\nSuitable for wall, ceiling, panel, and window fitting\r\nComplies with building regulations Part F and L\r\nIncludes 12V SELV transformer\r\nElectrical power rating (W):7.4 / 8.4+\r\nExtract performance (FID, M3/h) Max/Min:54 / 76\r\nExtract performance (FID, l/s) Max/Min:15 / 21\r\nSound pressure level dB(A)@3m:22 / 34\r\nSpecific Fan Power (SFP) (W/l/s):0.49 / 0.40\r\nOperation Speeds:2\r\nUK Guarantee (Years):2\r\nIPX Rating:4\r\nUniversal Mounting Kit: Yes\r\n