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Ventilation Backdraft Dampers

Spring loaded backdraft dampers to prevent backdraft of outside air.
Page: 1  Showing 1 - 10 of 10 Products, Sorted By
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Fantech RSK8 Spring Loaded Backdraft Damper for 8
Fantech RSK8 Spring Loaded Backdraft Damper for 8" Duct
Backdraft damper with galvanized steel collar and lightweight aluminum damper blades. Spring loaded for positive closure. Fits 8" Round Duct  [More...]
MFG#: RSK8
In Stock
$21.60
Suggested: $40.00
You Save: $18.40
Aldes 4
Aldes 4" Backdraft Damper - BDD4
Backdraft damper with galvanized steel collar, lightweight aluminum damper blades, and gasketing. Spring loaded for positive closure. Fits 4" Round Duct  [More...]
MFG#: 99 023
In Stock
$15.66
Suggested: $18.50
You Save: $2.84
Aldes 5
Aldes 5" Backdraft Damper - BDD5
Backdraft damper with galvanized steel collar, lightweight aluminum damper blades, and gasketing. Spring loaded for positive closure. Fits 5" Round Duct  [More...]
MFG#: 99 024
In Stock
$16.95
Suggested: $19.60
You Save: $2.65
Aldes 6
Aldes 6" Backdraft Damper - BDD6
Backdraft damper with galvanized steel collar, lightweight aluminum damper blades, and gasketing. Spring loaded for positive closure. Fits 6" Round Duct  [More...]
MFG#: 99 025
In Stock
$19.95
Suggested: $21.50
You Save: $1.55
Aldes 8
Aldes 8" Backdraft Damper - BDD8
Backdraft damper with galvanized steel collar, lightweight aluminum damper blades, and gasketing. Spring loaded for positive closure. Fits 8" Round Duct  [More...]
MFG#: 99 026
In Stock
$32.66
Suggested: $38.61
You Save: $5.95
Aldes 12
Aldes 12" Backdraft Damper - BDD12
Backdraft damper with galvanized steel collar, lightweight aluminum damper blades, and gasketing. Spring loaded for positive closure. Fits 12" Round Duct  [More...]
MFG#: 99 028
In Stock
$59.99
Suggested: $72.00
You Save: $12.01
Aldes 10
Aldes 10" Backdraft Damper - BDD10
Backdraft damper with galvanized steel collar, lightweight aluminum damper blades, and gasketing. Spring loaded for positive closure. Fits 10" Round Duct  [More...]
MFG#: 99 027
In Stock
$43.99
Suggested: $49.95
You Save: $5.96
Aldes 14
Aldes 14" Backdraft Damper - BDD14
Backdraft damper with galvanized steel collar, lightweight aluminum damper blades, and gasketing. Spring loaded for positive closure. Fits 12" Round Duct  [More...]
MFG#: 99 036
1 Week To Ship
$68.95
Suggested: $85.00
You Save: $16.05
Aldes 7
Aldes 7" Backdraft Damper - BDD7
Backdraft damper with galvanized steel collar, lightweight aluminum damper blades, and gasketing. Spring loaded for positive closure. Fits 7" Round Duct  [More...]
MFG#: 99 035
In Stock
$27.99
Suggested: $33.00
You Save: $5.01
6
6" Cape Backdraft Damper
6" Cape Backdraft Damper  [More...]
MFG#: Tti-CBD6
In Stock
$23.00
Page: 1  Showing 1 - 10 of 10 Products