Powerful air flow requires ducted, external venting Easy-to-use push button controls lets you easily control fan speed and lighting 4-speed fan control (280/420/580/700 CFM) lets you choose the appropriate air flow for your cooking situation 700 CFM air flow (highest speed setting) efficiently moves large amounts of air away from your cooking area Ductwork easily connects to the top of the range hood Dishwasher-safe Stainless Steel Baffle Filters LED lighting illuminates the cooktop beneath the hood Designed to fit standard (circular) ductwork for simple installation 110V/60HZ 3 Year Parts Warranty Please note the position of a grill lid can block the range hood filters and decrease range hood performance. We recommend moving the range hood to accommodate your grill lid or ensure range hood depth will surpass the size of the grill