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 and rubber gasket to help keep ducting securely in place. They prevent back draft air when your fans are off.
Ideal-Air Back Draft Damper 6 in
$19.43
Additional information
| Weight | 1.3 lbs |
|---|---|
| Dimensions | 6.3 × 6.3 × 5.4 in |
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