Professional style stainless steel hood with 10 in. high design to fit below cabinets. 3-1/4 in. x 10 in. ducting can be vertically or horizontally installed. Convenient variable speed rotary control with blower memory feature that saves last setting. Dual halogen bulbs provide bright cook top illumination and 2 infrared lamps keep food warm (bulbs not included). Powerful 850/900 CFM internal blower. Includes professional style stainless style baffle grease filters. 36 in. Stainless Steel (22 ga., #4 brush); 3-1/4 in. x 10 in. vertical or horizontal ducting only Dual centrifugal blower; 850 CFM, 10.5 sones vertical duct; 900 CFM, 10.0 sones horizontal duct Variable speed rotary control, "remembers" last setting Uses two-50W PAR20 halogen bulbs and two-175W PAR38 Infrared heat lamps (bulbs not included) Heat Sentry™ detects excessive heat and automatically adjusts blower speed to high Includes 3-pro-style baffle filters constructed of heavy gauge stainless steel for optimum performance and lasting appearance