Motor Assembly 80 CFM S97015162 for Broan 678-G 679-E 679L 763 763N 763NC N679-E 35333721OEM Part Number S97015162 Features 80 CFM, sufficient ventilation to reduce foggy mirrors and remove odors and pollutants Increase air flow up to 60% from 50 to 80 CFM 2. 5 Sones for quiet performance Reduce sound up to 35% from 3. 5 to 2. 5 Sones (applicable for 70 CFM fans only) Easy install in 10 minutes or less Simple plug in motor, no wiring required No ceiling cutting or patching required For housing dimensions of 8" x 8 1 4" x 5 3 4" Replaces