736980 4 INCH METAL BACKDRAFT DAMPER (60/CS) $17.95
736982 6 INCH METAL BACKDRAFT DAMPER (60/CS) $19.95
736984 8 INCH METAL BACKDRAFT DAMPER (48/CS) $29.95
736986 10 INCH METAL BACKDRAFT DAMPER (35CS) $39.95
736988 12 INCH METAL BACKDRAFT DAMPER (24CS) $49.95
736989 14 INCH METAL BACKDRAFT DAMPER (24CS) $59.95
These are excellent quality back draft dampers. They are made from
heavy-gauge galvanized steel with heavy duty springs. They use both
an embossed bead & rubber gasket to help keep ducting securely in
place. They prevent back draft air when your fans are off.
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Green Earth Co.    Melbourne, Florida
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