Pro Canopy Range Hood with CircuFlow Ventilation System, 1200 CFM Blower, Dishwasher Safe Components, LED Lighting and Marquise Accented Profile: Stainless Steel. Unique CircuFlow Ventilation System with centrifugal blower design prevents grease and contaminants from collecting in duct work for safe operation. Baffle-less, variable speed blower CircuFlow Ventilation System collects 70% more grease than most competing models. Ultra-quiet CircuFlow Ventilation System providesbest-in-class air flow and extraction efficiency. Blower speed automatically increases when higher temperatures are detected and when full blower power is not needed the blower speed automatically lowers for even quieter operation. Optimized low-temp LED lighting for optimum illumination. Removable blower components are dishwasher-safe for easy cleaning. Marquise accented front face prole compliments design integrity. Blower CFM: 1200. Sones: 6.6. Lights: 3. RPM: 1550. Width: 47 9/10". Depth: 25 1/2". Height: 18".