Broan 24-Inch Built-In Power Pack Insert. 300 Max Blower Cfm. Stainless Steel The Bbn1 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. Featuring A Smooth. Stainless Steel Surface That Is Easy To Clean With Quick-Release Dishwasher-Safe Filters. The Bright Led Lighting Enhances Your Cooking Experience.