Z Line 527-36 Stainless Steel Wall/Under Cabinet Mount Range Hood, 36-Inch Powerful air flow requires ducted, external venting 1000 CFM Air Flow (highest speed setting) efficiently moves large amounts of air away from your cooking area while maintaining a relatively quiet kitchen environment (~55 decibels) Dishwasher-safe Stainless Steel Baffle Filters Brushed 430 stainless steel adds that sharp, elegant look to your kitchen 4-Speed Fan Control (400/600/800/1000 CFM) let's you choose the appropriate air flow for your cooking situation