| 0.7 Sones | 110 CFM | Sensaire® technology detects the rapid rise in humidity over time | Auto shut-off time is adjustable from 5 to 60 minutes | Helps prevent lingering, excessive humidity which can cause mold | Humidity is sensed at the ceiling where it is most prevalent | Hanger bars for Easy, Fast and Universal installation in all types of construction | UL Listed for use over bathtubs and showers when connected to a GFCI protected branch circuit | 6" ducting for superior performance | ENERGY STAR® Qualified