Four-Speed Fan with low, medium, high and power boost settings, Removable Stainless Steel Baffle Filters help capture grease and odors, 90K BTU Rating pairs with commercial-style range or rangetop with comparable output, Two LED Lights provide bright, natural-looking light, Automatic Turn On starts the fan if it detects high-heat cooking, Under-Cabinet Hoods integrate seamlessly with existing cabinetry, Ventilation system for conventional ranges and cooktops, Commercial-Style Ventilation for KITCHENAID Ranges & Rangetops, Power Boost sets maximum fan speed to help quickly clear the air