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Feature
350 CFM 6.5 SonesInstalls easily between ceiling joists
The Model 504 does NOT come with a damper.
Fits 10-Inch round duct - use Model 472 transition/damper (available separately) for 8-Inch round duct
Eliminate humidity from laundry rooms, tobacco smoke from rec rooms and workshops, or cooking fumes from kitchens with Broan's high-efficiency utility ventilators