Fantech RSK4 4-Inch Duct Backdraft Damper – 30-Pack
Description
This Fantech 4-Inch Damper allows airflow in one direction and prevent reverse airflow. Built with performance in mind, it's a must-have.
Additional information
Specification: Fantech RSK4 4-Inch Duct Backdraft Damper – 30-Pack
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