Upgrading bath fan performance is easy with our all-in-one kit. NO rewiring. NO new duct work. NO hassles. ALL in just 10 minutes * New motor (60 CFM and 3.0 Sones) reduces sound up to 50 percent, improves air movement up to 20 percent and helps control humidity that causes mold and mildew * New Grille: Upgrade your bathroom"s look with a modern white grille * Wrench: No special tools are required. The kit has everything you need including new components, a wrench, fasteners, and complete step-by-step instructions * Two motor plates included to fit most economy fans