Auto Speed Setting adjusts fan speed to match ventilation needs, Perimeter Ventilation helps clears steam and smoke, Powerful ventilation sytem helps capture smoke, grease and odors., Power Boost sets maximum fan speed to help quickly clear the air, Removable Mesh Filters help capture grease and odors, 65,000 BTU Rating compatible with most 36- or 30-inch cooktops, Automatic Turn On starts the fan if it detects high-heat cooking, Four Speed Fan with Electronic Glass Touch Control, In-Line Blower Conversion with purchase of In-Line Smart Kit, Four LED Task Lights provide bright, natural-looking light