- 0.5 Sones
- Built-in backdraft damper
- High-efficiency motor
- 3-year warranty
150 cfm fan with a ceiling grille and damper. Uses a 6" flexible duct. The product is provided with an adjustable 12-24” bar hanger for ease of installation. This model holds an ETL listing and conforms to UL and CSA safety standards. ENERGY STAR® and HVI qualified, California Title 24 Listed.