ENERGY STAR® Hood is Quiet in Operation Providing Better Efficiency and Comfort with Less Noise (UL)(LI)Quiet operation 1.5 Sones / 168 CFM Low to 5.3 Sones / 300 CFM High(/LI)(LI)ENERGY STAR® Certified, Efficient 300 CFM Chimney Wall Hood(/LI)(LI)Three Speed Touch Controls with LCD Display(/LI)(LI)Dishwasher Safe Aluminum Mesh Filters(/LI)(LI)Converts to Recirculation Mode with Accessory Kit (Separate Purchase Required)(/LI)(/UL)