Continental Fan Manufacturing EXT100A 118 CFM External-Mounted Fan for 4" Ducts from the EXT Collection

Item #: BCI1471493
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Technical Specs

EXT Series Dimensional Drawing
EXT Series Specification Sheet
CFM 118
CSA Approved Yes
Depth 5.2
Duct Size 4" Round
Function Bathroom Exhaust
Grille Shape Rectangle
Height 14
Housing Shape Rectangle
Kitchen Approved Yes
Mount Type Ceiling, Wall
No Load RPM 1560
Product Weight 11
Voltage 120
Wattage 66
Width 10.2

This product has additional required/recommended options. To configure, add to your cart.

  • Dehumidistat Recommended
  • Timer Recommended
  • Pressure Switch Recommended
  • Speed Control Recommended

118 CFM External-Mounted Fan for 4" Ducts from the EXT Collection

Continental Fan's EXT external mount duct fans are the perfect solution when space restrictions prevent the use of in-line duct fans. EXT fans provide a simple through-the-wall solution, and can be sidewall mounted on the exterior of a building to allow for easy access to the fan. EXT fans utilize quiet and energy efficient external rotor motors.

EXT External Mount Duct Fans are the perfect solution for the bathrooms located in hard to vent spaces where an in-line duct fan cannot be used. Other applications include:

  • Range hood exhaust
  • Whole house ventilation
  • Crawl space ventilation
  • Ground floor installations
  • Tight attic mountings
  • High rise buildings
  • Apartments/townhouses
  • Basement kitchens and washrooms

Continental Fan Company was established in 1986 to manufacture and distribute quality ventilation equipment. Their objectives then were simpleā€¦ to provide superior products, dependable service, and competitive pricing. They remain unchanged today.


  • External rotor motor for quiet and efficient operation
  • 118 CFM Motor with 4" Duct Opening
  • Enclosed motor housing for dust and lint
  • Permanently lubricated ball bearing motors
  • Maintenance free motor
  • Automatic reset thermal overload protection
  • Quiet & efficient, vibration free operation
  • Rugged construction for long life
  • Speed controllable
  • Built-in backdraft damper
  • CSA listed for use in USA and Canada
  • Five year warranty

Additional Continental Fan Manufacturing Links

Our SKU: EXT100A

This product is listed under the following manufacturer number(s):

  • EXT100A

*Denotes a finish or option that has been discontinued

1 Question from the Community

  • We have an older house. There is a 4" vent above the range in the kitchen that travels up to the roof inside the wall. Could I mount your EXT 100A on the interior to exhaust thru this vent?

    A. Yes, The Continental Fan Manufacturing EXT100A is designed for 4" venting.

    67% of 3 people found this useful. Was this useful? yes (2) | no (1)

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