Ultra-quiet, high performance bath fan and light with a modern-styled grille Plug-in, permanently lubricated motor engineered for continuous operation, Dynamically balanced centrifugal blower wheel for quiet, efficient performance, Maintains a high percentage of rated cfm in less than ideal installations, Innovative design grille with white enamel finish durable steel reflector, Rugged 26 ga galvanized steel construction housing 6 in round ducting for superior performance, 23.3 W at 0.1 in, 23.2 W at 0.25 in, Polymeric duct connector with tapered sleeve and no metallic clatter, Sturdy, easy, four-point mounting directly to joist, Includes unique spacer (patent pending) for mounting to engineered joists, Includes hanger bars to position housing anywhere between 16 to 24 in on-center joists, Two sets of mounting holes for hanger bars allow flush installation with bottom or top of drywall, Can be mounted in ceilings up to 12/12 pitch 3 years warranty.