Description of Broan QT236BC:
Broan QT236 Quite Hood QT20000 Series Under Cabinet Convertible Range Hood Patented Air Chamber Design that Reduces Noise Up to 40 Percent Over Conventional Hoods; 200 CFM, 4.5 Sones (Vertical Discharge) HVI 2100 Certified. Infinitely Adjustable, Rotary Speed Control. Convertible Versatility. Installs as 3-1/4" X 10" (Vertical or Horizontal), 7" Round (Vertical) or Non-Ducted.