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Fantech 4" Duct Spring Loaded Backdraft Damper - 6 pack

Fantech RSK4M

SKU: 711155
Regular Price: $85.99
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Fantech RSK4M


About the Fantech RSK4M 4" Duct Spring Loaded Backdraft Damper - 6 pack

Backdraft dampers are important to install to prevent the back pressure that can be associated with high volume ventilation systems. For some fan types, high levels of back pressure can damage the fan or it’s operating abilities. To prevent this, you will want to install Fantech RSK4M back pressure dampers to block the back pressure.  The Fantech RSK4M set contains 6 dampers, all with spring loaded closure systems. Made of industrial grade galvanized steel with lightweight aluminum damper blades.

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