Air King Air King 90 CFM 0.8 Sone Ceiling Mounted Humidity Sensing Energy Star Rated Exhaust Fan

Features:Features a powerful 90 CFM single speed blower, specifically designed for continuous use applicationsVery quiet operation at only 0.8 sones makes this unit one of the quietest on the marketThe fan housing will mount between 16" to 24" on center joists and secured using the 4 supplied mounting rails for ease of installationHumidity sensors activate fan once humidity levels reach 80% to prevent moisture and mold build-upDurable 23 gauge galvanized steel housing provides years of worry free operati...