The KitchenAid KXW8748YSS 30" convertible range hood features automatic turn on helps keep a fresh kitchen environment by turning on the vent when it senses excess heat. Hidden 3-speed control makes it easy to select fan speed and operate lights without detracting from overall design. Ventilation system may be placed over a cooking surface with a maximum heat output up to 108K BTUs. Premium dishwasher-safe commercial-style baffle filters offer durability and capture more steam, grease, and odors. Halogen lights provide increased visibility of the cooking surface with brighter, more natural light. Requires a powerful 600 or 1200 CFM 3-speed motor for internal or inline installation.