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Ships within 48 hours · Estimated delivery Aug 6 - Aug 11
The backward-curved centrifugal impeller provides smooth
These fans are designed for easy installation and maintenance-free operation
smarter control
If you need extra backdraft protection please consider adding the MV 152 VK Outer External Hood to your purchase as it includes both a backdraft flapper and a sloped external hood to help drain away water/snow in adverse conditions
Vents KOM 150 U 6 inch Backdraft Damper Inline fan The backward-curved centrifugal impeller providesVents KOM 150 U Spring Loaded Backdraft Damper 6 Inch Duct The Vents KOM 150 U Spring Loaded Backdraft Damper is engineered for 6 inch round duct systems, providing reliable protection against unwanted air backdrafts, insects, and outdoor debris when your ventilation system is not in use. Reliable Backdraft Prevention This spring loaded backdraft damper automatically opens with airflow and closes securely when the fan is off, ensuring a tight seal
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