King Electric's 4 inch 177 CFM external mount duct fan provides a simple through-the-wall solution that can be sidewall mounted on the exterior of a building, allowing easy access to the fan. Shop HomElectrical now!
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King Electric EXT100B Description
- 4 Inch.
- 177 CFM.
- Heavy gauge, galvanized steel housing with baked epoxy finish.
- 120V operation - may be mounted on the exterior of building.
- Enclosed motor housing for dust and lint.
- Suitable for air temperatures up to 140F / 60C.
- Energy efficient - speed controllable (optional solid state speed control).
- Rugged construction for long life.
- Built-in backdraft damper.
- Exceptionally quiet and efficient BC centrifugal motorized impeller.
- External rotor motor design results in superior motor cooling and durability.
- Permanently lubricated ball bearing motor for maintenance-free operation.
- Automatic reset thermal overload protection.
- Fan and motor are precision balanced for quiet and vibration free operation.
- Pre-wired capacitor.
- CSA US.
- For use with MAU Series Make Up Air Unit