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Ventilation Backdraft Dampers

Spring loaded backdraft dampers to prevent backdraft of outside air.
Page: 1  Showing 1 - 14 of 14 Products, Sorted By
  Product Details Stock Price Purchase
Fantech RSK4 Spring Loaded Backdraft Damper for 4
Fantech RSK4 Spring Loaded Backdraft Damper for 4" Duct
Backdraft damper with galvanized steel collar and lightweight aluminum damper blades. Spring loaded for positive closure. Fits 4" Round Duct  [More...]
MFG#: RSK4
In Stock
$13.99
Suggested: $21.00
You Save: $7.01
Fantech RSK6 Spring Loaded Backdraft Damper for 6
Fantech RSK6 Spring Loaded Backdraft Damper for 6" Duct
Backdraft damper with galvanized steel collar and lightweight aluminum damper blades. Spring loaded for positive closure. Fits 6" Round Duct  [More...]
MFG#: RSK6
In Stock
$17.29
Suggested: $28.00
You Save: $10.71
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
Fantech RSK10 Spring Loaded Backdraft Damper for 10
Fantech RSK10 Spring Loaded Backdraft Damper for 10" Duct
Backdraft damper with galvanized steel collar and lightweight aluminum damper blades. Spring loaded for positive closure. Fits 10" Round Duct  [More...]
MFG#: RSK10
In Stock
$25.60
Suggested: $53.00
You Save: $27.40
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
1 Week To Ship
$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
1 Week To Ship
$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
4
4" Cape Backdraft Damper
4" Cape Backdraft Damper  [More...]
MFG#: Tti-CBD4
In Stock
$22.00
6
6" Cape Backdraft Damper
6" Cape Backdraft Damper  [More...]
MFG#: Tti-CBD6
In Stock
$23.00
Page: 1  Showing 1 - 14 of 14 Products