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GROW1 4 Inch Backdraft Damper

GROW1 4 Inch Backdraft Damper

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Your Price: $17.95
MSRP:$20.99
You Save:$3.04(14%)
Part Number: 403004
UPC: 816731018227

Made of galvanized steel. Prevents reverse air flow when fans are shut off. Saves CO2 and prevents odors from flowing backwards. Rubber gasket pre-installed on exterior for an air tight seal.

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