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" duct adapter and can be used to comply with the latest codes and standards.

• Quiet, yet powerful - ideal for new and remodel residential applications
• Built-in metal flange 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
• UL listed for tub/shower enclosure when GFCI protected
• Single Speed
• Air Volume Exhaust (CFM): 380 at 0.1" SP, 356 at 0.25" SP
• 0.99 amps
• Ventilation Design Approach: Continuous Ventilation, Spot Ventilation
• Energy Efficiency (CFM/Watt): 3.5 CFM/W
• Energy Star certified
• 17-11/16" grille size