WhisperCeiling 390 CFM large volume ceiling mount fan is a time-tested and customer approved powerful, yet quiet and energy efficient solution. Ideal for light commercial applications, it incorporates a 6 in. duct adapter and can be used to comply with the latest codes and standards. Built-in metal fl ange provides blocking for penetrations through drywall as an Air Barrier, and assists with the decrease in leakage in the Building Envelope during blower door testing.

• (Pre-Owned) Product Description.
• Panasonic ventilation ceiling exhaust fans produce maximum airflow and remove air impurities while operating at whisper-quiet noise levels.
• Achieve quality air and energy efficiency with whisper-quiet sound levels for your spaces with the Panasonic WhisperCeiling Spot Ventilation Fan.