Fan/light combination exhaust fan. Features tough, matte-white plastic, 10-1/4 In. x 9-1/2 In. grill with unbreakable Lexan lens. 8 In. x 8-1/4 In. x 5-3/4 In. housing fits joists as small as 6 inches. Includes 4-point adjustable mounting brackets, with 24-inch span. Damper/duct connector fits 4-inch round duct. Uses up to 100-watt incandescent bulb, not included. 50 CFM (cubic feet per minute), 2.5 sones. UL (Underwriter's Laboratories) listed.