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Aldes 6" Backdraft Damper - BDD6

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Mfg:American Aldes
Mfg#:99 025
In Stock
Price: $19.95
Suggested: $21.50

Backdraft damper with galvanized steel collar and lightweight aluminum damper blades. Spring loaded for positive closure.  Fits 6" Round Duct

. 20 gauge galvanized steel housing
. Aluminum spring loaded butterfly damper blades
. Damper seals against EDPM rubber gasket in closed position for minimal leakage
. Gasket designed for use in temperatures from - 22F  to 180F
. Require from 0.04 to 0.08 inches W.G. to begin to open
   Simple installation - entire assembly inserts into duct
. Exterior foam gaskets assure a tight seal against interior surface of duct