Broan F40000 Series The F40000 Series Provides Installation Flexibility With 4-Way Convertibility To Fit Virtually All Applications. The Hood Is Designed For Under Cabinet Use And Installs As 3-1/4 In. X 10 In. Ducted Opening With Vertical Or Horizontal Ducting; Or 7 In. Round Vertical Ducting Or As Non-Ducted With Air Recirculation. The Hood Features A Fan Designed For Years Of Trouble Free Service, An Easy To Clean Grease Filter, A Protective Lamp Lens That Distributes Light Evenly Over The Cook-Top And Control Switches For Fan Speed And Light Activation. Features & Benefits (Ul)(Li)Four-Way Convertible; Installs Ducted 3-1/4" X 10" (Vertical And Horizontal), 7" Round (Vertical) And Non-Ducted. Non-Ducted Filter Sold Separately.(/Li)(Li)160 Cfm, 6.5 Sone (3-1/4" X 10" Discharge) Or 190 Cfm (7" Round Discharge) Performance - Hvi 2100 Certified(/Li)(Li)Dishwasher-Safe Aluminum Grease Filter (Model Bp29)(/Li)(Li)A Protective Lamp Lens Distributes Light Evenly Over The Cook-Top And Accepts Up To 75W Bulb (Bulb Not Included)(/Li)(Li)Includes 3-1/4" X 10" Damper/Adapter And 7" Round Adapter(/Li)(Li)Bp87 Dampers Sold Separately(/Li)(Li)This Range Hood Can Work In An Ada-Compliant Application(/Li)(/Ul)