4 Inch 190 CFM Inline Duct Fan with Variable Speed Controller

Product Description :

Use an inline duct booster fan if your system needs a little extra boost. Duct booster fans are easier to install and less expensive than a major rework of your duct system.

This inline duct booster fan has been engineered for maximum boost, as well as quiet operation. This booster fan has a thermally protected motor. The inline duct booster fan includes a cord and built in speed controller

For maximum performance, the best location to install this duct booster fan is 6 to 10 feet from the register that needs the boost. Free air CFM is the amount of airflow the fan can produce on its own, Boosted CFM is the amount of air that can flow through the fan before it begins to impede the airflow.

*This fan is not made to be covered or sealed by drywall or inside of a wall. Do not install this fan in an attic or in any enclosed space.

Specifications:

• Diameter: 4 inch
• Power Supply: 110/120 V
• Power: 59 W
• Current: 0.8 A
• Speed: 2300 RPM
• Air Flow: 190 CFM
• Noise Level <31 dB
• Max Ambient Temp is 110℉ / 40℃.
• cETL Listed Fan
• One year warranty

Installation Examples