Roomside Series 80 CFM 0.8 Sones Ceiling Mount Bathroom Exhaust Fan with Roomside Installation, ENERGY STARImprove air quality in your bathroom with the Broan NuTone Roomside Series Exhaust Fan. With a powerful 80 CFM and low noise level of 0. 8 Sones, this ENERGY STAR certified fan is perfect for any sized space. Plus, the convenient roomside installation makes it easy to install and maintain. Dimension Value Housing Length (in.) 9. 25 Housing Width (in.) 10 Product Height (in.) 5. 75 Product Length (in.) 11. 05 Product Width (in.) 12. 25 Air Volume (CFM)