.. .. . \n9 x Greenwood Airvac RF90TW 4\"" (100mm) Flush mounted centrifugal extract fans with adjustable over run timer. Fan stays on for a time after you turn light off (adjustable up to 30 mins). Pullcord over-ride (can be snipped off if not required),\nThis is a direct replacement for Greenwood Airvac model number R90T which is now out of production. This fan fits the same \""footprint\"". \nSuitable for wall or ceiling mounting. Itegral filter which can be removed and washed.\n21 litres per second extract rate (75m3). Sound level 41db(A) @ 3m. 20 watts power consumption. \nDimensions: 240mm wide x 215mm high. 43mm projection beyond surface the fan is fitted to with 180mm projection above ceiling. See additional pictures above. \nWe also sell the surface mounted version of this fan together with grills and ducts and fan isolator switches. Please check out our other listings in our shop under \""Fans\"". VAT INVOICE ON REQUEST\n.\n Collection is also availableMonday - Thursday: 7.30am m