Simply Silent DX150 square grille fascia 6" 150mm extract fan, featuring Ghost Air Movement Technology for quiet running, with humidistat and timer control which boosts when humidity in the room increases while the timer continues to work after the fan is switched off. Features: Ghost Air Movement Technology enables quiet running Stylish traditional grille design available in square and round 2 speeds 63l/s and 72l/s - selectable at install Knock-out section for side entry wiring Complies with building regulations Part F and L Specifications: Electrical power rating (W): 12.7 / 28.1 Extract performance (FID, M³/h) Max/Min: 227 / 259 Extract performance (FID, l/s) Max/Min: 63 / 72 Sound pressure level db(A)@3m: 39.9 / 41.6 Specific Fan Power (SFP) (W/l/s): 0.20 / 0.39 Operation Speeds: 2 UK Guarantee: 2 Years IPX Rating: 4 Timer: Yes Humidistat: Yes Criteria Specification: Electrical power rating (W): 12.7 / 28.1 Extract performance (FID, M³/h) Max/Min: 227 / 259 Extract performance (FID, l/s) Max/Min: 63 / 72 Sound pressure level db(A)@3m: 39.9 / 41.6 Specific Fan Power (SFP) (W/l/s): 0.20 / 0.39 Operation Speeds: 2 UK Guarantee: 2 Years IPX Rating: 4 Timer: Yes Humidistat: Yes Features: Ghost Air Movement Technology enables quiet running Stylish traditional grille design available in square and round 2 speeds 63l/s and 72l/s - selectable at install Knock-out section for side entry wiring Complies with building regulations Part F and L Manufacturer Code: 93076AW Specification Electrical power rating (W): 12.7 / 28.1 Extract performance (FID, M³/h) Max/Min: 227 / 259 Extract performance (FID, l/s) Max/Min: 63 / 72 Sound pressure level db(A)@3m: 39.9 / 41.6 Specific Fan Power (SFP) (W/l/s): 0.20 / 0.39 Operation Speeds: 2 UK Guarantee: 2 Years IPX Rating: 4 Timer: Yes Humidistat: Yes