Replace the motor of a worn out fan with the Broan-NuTone S97012038 replacement motor and wheel. It features 50 CFM to reduce moisture and help prevent mildew. Sones rating varies by model number of currently installed bath fan and may range from 2.5 to 4.0 sones. Simple to assemble. Features Can be easily installed in existing housing Wheel included with motor Compatible with Broan 662 Broan 668 Broan 678-A B C D E F Broan 688-A B C D E Nautilus N678-A B C D E Nautilus N688-A B C 50 CFM motorSpecifications Weight: 1.01 lbs - SKU: TSTM2276 This product ships in approximately 1 days