WhisperFit ENERGY STARa® rated, low profile exhaust fans feature totally enclosed AC condenser motors for long-life and energy efficiency. All models are designed with 5 5/8" height and can be installed with 4" or 3" diameter duct. Ideal for renovation and retrofit applications. All models comply with Green building IAQ standards.
Features:

• Low profile housing design
• Super quiet operation
• ENERGY STARa® qualified
• Totally enclosed condenser motor for long life rated for continuous run
• 4" Duct with 3" duct adapter included
• Easy installation (double hanger bar system)
• Suitable with Panasonic Radiation Damper
• Built-in damper to prevent backdraft
• Contemporary grille design
• UL listed for tub/shower enclosure when used with a GFCI branch circuit wire
• Thermal fuse protection
• Meets Washington State Ventilation and Indoor Air Quality Code
• California Title 24 Compliant
• 3 Year Warranty