Quickly Remove Food Odors And Smoke With The "Hidden" Wolf Cooktop Downdraft That Rises 14 Inches From The Countertop To Operate When In Use. When Not In Use, The Wolf Downdraft Ventilation System Lowers Seamlessly Beneath The Countertop. Breathe Cleaner AirBreathe Cleaner Air And Enjoy Less Greasy Residue In Your Kitchen Lowers When Not In UseLowers When Not In Use, And Rises 14 Inches To Whisk Away Smoke And Odors Matches The Heavy GaugeMatches The Heavy-Gauge Stainless Steel Look Of Sub-Zero, Wolf, And Cove Select From InternalSelect From Internal, In-Line, Or Remote Blower Options (Blower Required) Automatically Turns OffAutomatically Turns Off The Blower With A Five-Minute Minimizes The Backward FlowMinimizes The Backward Flow Of Cold Air With Backdraft Transition Install A Reversible Motor BoxInstall A Reversible Motor Box On Either Side Of The Downdraft For Design Flexibility Discharge Dimensions(Ul)(Li)6" Round Internal Or 10" Round Inline Or Remote(/Li)(/Ul) Blower Options(Ul)(Li)600 Cfm Internal(/Li)(Li)600 Cfm Inline(/Li)(Li)600 Cfm Remote(/Li)(Li)1200 Cfm Remote(/Li)(/Ul)