Simply Silent DX100 round grille fascia 4" 100mm extract fan, featuring Ghost Air Movement Technology for quiet running, with integral pullcord for on/off control. Features humidistat and timer control which boosts when humidity in the room increases while the timer continues to work after the fan is switched off. The timer is adjustable at installation from 30 seconds to 30 minutes. Supplied with wall fitting kit comprising of outer grille, telescopic wall tube, gasket and foam strips. Supplied with 12V transformer. Features: Extremely quiet running - only 22dBA@3M at low speed Stylish traditional grille design available in square and round Supplied with wall fitting kit - complete one-box installation solution 2 speeds 15l/s and 21l/s - selectable at install Suitable for wall, ceiling, panel and window fitting Complies with building regulations Part F and L <