12" Backdraft Damper (403012)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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|Dimensions||12 x 5 x 12|
Price: $21.54 / each
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— Ships from DL: Livermore, California USA.