Broan 24-Inch Built-In Power Pack Insert, 350 Max Blower Cfm, Stainless Steel The Bbn2 Powerpack Insert Series Is Ideal For Cabinet Installations. The Integrated One-Piece Design Protects The Full Bottom Of Your Cabinetry With A Flush Appearance And Depth Adjustability. Bright Led Lighting Enhances Your Cooking Experience, While The 3-Speed Push Button Control Makes Operation Easy.