Availability: Usually ships in 48 hours
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: 137058
Universal Product Code: 870883000455
Manufacturer: Sunlight Supply
Manufacturer's Part Number: 736984