Air King Energy Star® Certified Quiet Exhaust Fan (4" Duct)
Air King Energy Star® Certified Quiet Exhaust Fan (4" Duct) - AK90 - 90 CFM is backordered and will ship as soon as it is back in stock.
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- Energy-efficient DC motor maintains CFM ratings across multiple static pressures and is suitable for continuous operation
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Solution for ASHRAE 62.2 continuous whole house ventilation
Ventilation calculation: (Total sq. ft. of home/100) + ((# of bedrooms+1) x 7.5 cfm) For best fan selection round the min ventilation # up to the nearest 0 - ex. 45 CFM should be rounded up to 50 CFM -
4" round duct connector with damper protects against backdrafts and ensures quiet operation.
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Side access panel allows you to wire the fan from inside or outside the housing.
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HVI Certified performance.
Included
- Exhaust Fan Housing
- Blower (motor)
- Grill with Light Lens
- Hanger Bars for Mounting
- Damper and Duct Collar
- User Manual