Invent Series 70 CFM Single Speed Bath Fan & Light features a 2.0 sones sound level rating for quiet operation. Its versatile housing platform enables effortless installation in both construction and retrofit projects. Foldable mounting ears simplify room-side replacements, while the 4" duct connector conveniently mounts from the inside of the housing. The damper technology enhances air tightness scores, ensuring efficient ventilation. Measuring 10"x9-1/4"x5-3/4", this fan is UL safety listed and backed by a 1-year limited warranty.