Broan 332H Exterior Blower for 10-Inch Round Duct, 900 CFM 5.7-Amp Reduce kitchen noise by locating range hood blowers outdoors Mounts on the roof or outside wall Ideal for custom applications. Helps exhaust airborne contaminants from cooking and living spaces Residential design fits unobtrusively on home exterior Durable, weather-resistant, all-aluminum construction