Broan QT230WW Convertible Range Hood, 30-Inch, White on White Patented air chamber design that reduces noise up to 40 percent over conventional hoods; 220 CFM, 4.5 Sones (7 round vertical discharge) HVI 2100 Certified The infinitely adjustable rotary speed control on this hood lets you choose your optimal setting Dual 40-watt lamps increase light distribution; night-light feature adds safety. Lamps not included Large filter design captures more steam and odors than typical hoods. Aluminum mesh filters are dishwasher-safe to give you the confidence your kitchen will always smell fresh Convertible versatility. Installs as 3-1/4" x 10" (vertical or horizontal), 7" round (vertical) or non-ducted. Non-duct filter (BPQTF) is required for use in a non-duct installation (sold separately) Includes 3-1/4" x 10" and 7" round adapter (7" damper BP87 optional and sold separately) Can work in an ADA Compliant situation when wired to operate from a dedicated, standard 2-rocker or 3-rocker wall switch to turn the hood on or off.