Specification High Setting:Air Extraction : 90m3/hr (max)Air Extraction L/s : 25 L/s (max)Noise : 30dB(A) (max)Watts : 9w\r\nSpecification Low Setting:Air Extraction : 75m3/hr (max)Air Extraction L/s : 21 L/s (max)Noise : 25dB(A) (max)Watts : 5w\r\nAirflow Quiet Air QT100HT Overview:A revolutionary extractor fan that uses a maximum of only 9w on the highest power setting, extracts an incredible 25 Litres per second, has an intelligent 'delay start' for night use and when operating at full power whispers away at 30dB.\r\n- High efficiency impeller for ducted installation- High efficiency impellar delivers up to 60m3/hr through 12m including 90 degree bends- Use in wet zone 1 when protected by an RCD and installed in accordance with latest IEE wiring regulations- Integral flow straightener and back draught flap- Clip on front cover for ease of cleaning- Complies with latest building regs document F- Wall or Ceiling Mountable- Basic switching, timer and motion sensor versions also available\r\nAirflow Quiet Air Dimensions- Width / Height : 147mm- Spiggot Depth : 96mm- Spiggot Diameter : 98mm- Gap Between Fan and Fascia : 35mm\r\nAirflow Quiet Air Specification (Both Speeds)- Power: 5w / 9w- Airflow: 21 litres per second / 25 litres per second / 75m3 p/hr / 90m3 p/hr- Sound Pressure: 25dB / 30dB- Impeller: Axial- Mounting: Wall / Ceiling- Outlet: 100mm / 4 inch- Ip Rating: IP45