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.
Item Number: 137060
Universal Product Code: 870883000479
Manufacturer: Sunlight Supply
Manufacturer's Part Number: HGC736988
Brand: EcoPlus
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