With a convertible design that offers both ducted and ductless installation, the Broan 46000 Series 42 in. Convertible Range Hood makes it easy to tackle tough venting jobs in your kitchen. The range hood's adjustable dial controls make it easy to choose between variable fan motor speeds. The 220 CFM blower helps quickly remove smoke and cooking odors from the air. The reusable aluminum mesh filter removes easily from the hood and supports dishwasher cleaning, making maintenance a snap. 2-level cooktop lighting offers convenient illumination. A 3-1/4 in. x 10 in. damper/adapter and a 7 in. round adapter are included for easy installation.