Maxair Features Overview: Installation Window Hole Size 213mm Extraction Rate 300 m3/hr Noise 55 dB(A) Motor Wattage 48w Ductable No The Maxair Window exhaust fans is available in two sizes featuring electric shutters to prevent back drafts. This model is one of the few on the market that can be installed solely from the inside, making it a popular choice for high rise buildings.
