The sleek design of Broan's AE110 Flex Series 110 CFM ceiling exhaust bath fan leaves no area of your bathroom untouched. The unit has no attic access required, which means hassle-free quick installation. In addition, the unit features foldable mounting ears and an EzDuct™ connector for a quick and clean fitting. Better duct damper technology improves warm and cold air backdrafts are less problematic. It moves air at a modest 110 CFM with a lulling noise level of 1.0 sones. In addition, the highly efficient and energy-rated model is sufficient for rooms up to 100 sq. ft.