Broan 40000 Series The Broan 40000 Series Is Made For A Wide Range Installations And Comes In A Variety Of Appliance Matching Colors And Widths. The Durable Under Cabinet Hood Installs As 3-1/4 In. X 10 In. Ducted Opening Only And Ducts Either Vertically Or Horizontally. 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. Includes Duct Adapter With Built-In Damper. Features & Benefits (Ul)(Li)Installs As 3-1/4" X 10" Vented Only(/Li)(Li)160 Cfm, 6.5 Sone (Vertical Or Horizontal 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)Duct Connector With Built-In Damper Included(/Li)(Li)This Range Hood Can Work In An Ada-Compliant Application(/Li)(/Ul)