AirFlo-NF Shutter Mounted Wall Exhaust Fan 24 Inch w/ 9' Cord & Plug 4450 CFM Variable Speed 24NFSF4VN

National Fan Co.
Build Time:
3 to 5 Business Days ?
Ships By:
FedEx Ground

Build Time

The product Build Time you see represented on this site is only a typical number of days the manufacturer states it needs to build the product(s) when ordered. Build times are based on business days (excludes weekends & holidays).

The build time does not include the time it will take to ship the order to you (the customer). If an order has multiple items and comes from multiple warehouses, you may receive part of your order on one day, and then receive the remaining part(s) of your order at a later date.

*Please be aware that seasonal demand of certain equipment may cause build times to run longer than what is typical.

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LIST: $342.26
Only $199.20
Quantity Unit Price You Save
6-9 3%
10+ 5%

***PLEASE NOTE: 22" Actual Blade Diameter***

Shutter Style Exhaust Fans by National Fan Co.

The National Fan Co. Shutter Mounted Exhaust Fan is perfect for removing excess heat, moisture, dust and odors from virtually any residential or commercial space. Applications include: workshops, welding rooms, restaurants, factories, warehouses, barns, and greenhouses.This wall mounted exhaust fan features aluminum blades, OSHA compliant wire guards, and automatic gravity shutters that open and close in conjunction with the operation of the fan. The completely enclosed motor is thermally protected and permanently lubricated.This fan comes fully assembled and ready to install out of the box. These shutter mount fans currently comes in 4 different sizes: 12", 16", 20", and 24". The 12", 16" and 20" models come in both variable speed and 3 speed versions, while the 24" models come in either variable speed or 2 speed versions.For the variable speed models, the a speed controller is sold separately.

  • High efficiency, quiet operating
  • Variable speed models for use with speed controls
  • 2 speed and 3 speed models have built-in control
  • Pre-wired with 9 ft. grounded cord—115 volt
  • OSHA spacing on guards
  • Aluminum shutter with reinforced corners
  • Shutters feature weather stripping on each louver
  • Motors are TEAO - IP55 Rating

Rough In opening: 24.5” x 24.5"

Model No.:
115 / 230
Exhaust Fans
3.5 / 1.7
Blade Material:
Blade Size (Inches):
No. of Blades:
CFM High:
Decibels (dBA):
Dimension Inches:
Width: 30" Depth: 30" Height: 15"
Drive Type:
Limited Warranty:
2 Year Limited
Motor Type:
Totally Enclosed
Weight lbs.:
Notice: Manufacturer's products features and specifications are subject to change without notice.
California Residents: warning WARNING- This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, please visit


Ask a Question
  • What is the diamension or length of the angle frame goes through the wall?

    The part of the fan that passes through the wall is 24" x 24"

  • How do you adjust the speeds on this fan.? It only has a plug in cord with no switches.

    You would have to purchase a speed control offered as an accessory item, and then connect (hardwire) the speed conrtol to the outlet you will be using.