- 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
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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[wprebay kw=”air+duct” num=”56″ ebcat=”-1″] [wprebay kw=”air+duct” num=”57″ ebcat=”-1″]
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