Broan QTXE110S Ultra Silent Humidity-Sensing Auto-On/Off Bath Fan， 110 CFM， White<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>6" ducting for superior performance</li><li>0.7 Sones， 110 CFM</li><li>Sensaire technology detects the rapid rise in humidity over time</li><li>Auto shut-off time is adjustable from 5 to 60 minutes</li><li>Humidity is sensed at the ceiling where it is most prevalent</li></ul></div><img src="http://ecx.images-amazon.com/images/I/414YsDRqLWL.jpg" noproxy>