MaxxAir Exhaust Fan w/ Shutters 1 Speed 18 inch 3000 CFM Direct Drive IF18

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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This MaxxAir Industrial Exhaust Fan is a powerful fan that can be used in garages, barns, greenhouses, and a variety of other locations. The fan is well suited to ventilate many types of substances from dust to humidity, excluding hazardous chemicals or fumes. The fan has 2 OSHA-compliant features including a safety grille and a fully enclosed, thermally protected, PSC energy efficient motor. The exterior shutters close tightly to prevent a draft when not in operation and open automatically when powered on. The housing is made of galvanized steel which prevents rust and has pre-drilled holes for easy mounting. Rolled flange edges offer handling protection during installation.

This high velocity heavy duty exhaust fan is designed with tough operational standards in mind! It promotes excellent air circulation, with integrated exterior shutters. It quickly removes unwanted odors and humidity and is great for barns, greenhouses, and other heavy duty or commercial applications.

  • PSC energy efficient thermally protected motors
  • Flange has pre-drilled holes for easy installation
  • Rolled flange edges for handling protection during installation
  • Balanced 4-blade fan assembly totally enclosed for protection and OSHA compliance
  • Integrated, precision-formed exterior shutters are draft-free
  • Shutters open and close automatically
  • Housing constructed of durable 20-gauge galvanized steel that won't rust
  • Removable interior grille
  • OSHA compliant grille
  • 1-year limited warranty

**Net Free Area (NFA) is a measurement of the unobstructed area through which ar can pass freely. Adequate air intake is essential for the fan to operate properly.

Rough -In Opening = 20.75" X 20.75"

Model No.:
Made In U.S.A.:
Exhaust Fans
Blade Size (Inches):
No. of Blades:
CFM High:
Dimension Inches:
Width: 20.75" Depth: " Height: 20.75"
Drive Type:
Limited Warranty:
1 Year Limited
RPM High:
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
  • can I install an 18" spiral duct on the inlet side of this fan

    These wall mount exaust fans are not designed to work with ducting. You will need to purchase a Duct Inline Fan for this purpose.

  • What is the exact size to cut the hole in the building for this fan???

    This fan mounts from outside of building and needs a 20.75" square rough-in opening.

  • What voltage? What are the mounting demensions

    This fan is 120 Volt

    Operating and Installing Instructions