Professional-style stainless-steel 10-inch hood fits below cabinets. Ducting can be vertically or horizontally installed. Convenient variable speed rotary control has blower memory feature that saves last setting. Dual halogen bulbs provide bright cooktop illumination and two infrared lamps keep food warm (bulbs not included). 30-inch stainless steel (22 gauge, #4 brush) 3-1/4 inch x 10 inch vertical or horizontal ducting only Centrifugal blower:460 CFM, 10.5 sones vertical duct; 500 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 mesh grease filters