Shop Backdraft Pressure-Relief Dampers

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$49.95
Backdraft Damper 10" - 411-STD 10
Global Industrial
$49.95
Backdraft Damper 10" - 411-STD 10
Global Industrial
$215.95
Pressure Relief / Barometric Damper - 12 Inch
FAMCO MSFT STORE
$215.95
Pressure Relief / Barometric Damper - 12 Inch
FAMCO MSFT STORE
$159.95
Butterfly Backdraft Damper - 16 Inch
FAMCO MSFT STORE
$159.95
Butterfly Backdraft Damper - 16 Inch
FAMCO MSFT STORE
$51.95
Inline Butterfly Backdraft Damper With Spring - Galvanized - 7 Inch
FAMCO MSFT STORE
$51.95
Inline Butterfly Backdraft Damper With Spring - Galvanized - 7 Inch
FAMCO MSFT STORE
$77.95
Backdraft Damper 20" - 411-STD 20
Global Industrial
$77.95
Backdraft Damper 20" - 411-STD 20
Global Industrial
$19.99
2 Pcs 4 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
871
$19.99
2 Pcs 4 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
$25.69
6 Inch HVAC Duct Backdraft Damper, Full Stainless Steel Manual Volume Damper With Sleeve, Adjustable Airflow Control For Range Hoods, Fans, Pellet
Amazon.com
1
$25.69
6 Inch HVAC Duct Backdraft Damper, Full Stainless Steel Manual Volume Damper With Sleeve, Adjustable Airflow Control For Range Hoods, Fans, Pellet
Amazon.com
$24.99
2 Pcs 4 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector - Black
Amazon.com
670
$24.99
2 Pcs 4 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector - Black
Amazon.com
$17.98
6 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
625
$17.98
6 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
$59.99
Fantech 9800012 RSK-10 Backdraft Damper, 10" Duct
Amazon.com
552
Free shipping
$59.99
Fantech 9800012 RSK-10 Backdraft Damper, 10" Duct
Amazon.com
$19.77
8 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
150
$19.77
8 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
$115.98
DAYTON 23"H-W 5 1/4"L Aluminum Backdraft Damper: For 20 in Fan, Single Panel, 23 in H, 23 in W, 3 in D Model: 3HHN8
Grainger
$115.98
DAYTON 23"H-W 5 1/4"L Aluminum Backdraft Damper: For 20 in Fan, Single Panel, 23 in H, 23 in W, 3 in D Model: 3HHN8
Grainger
$14.81
4 Inch Backdraft Damper Back Draft Vent Duct Shutter Blocker Backflow
eBay
Free shipping
$14.81
4 Inch Backdraft Damper Back Draft Vent Duct Shutter Blocker Backflow
eBay
$29.69
[Upgraded] Hon&Guan 10 Inch Duct Backdraft Damper, One-Way Airflow Ducting Insert Backflow Preventer Duct Draft Blocker, HVAC Inline Fan Vent
Amazon.com
19
$29.69
[Upgraded] Hon&Guan 10 Inch Duct Backdraft Damper, One-Way Airflow Ducting Insert Backflow Preventer Duct Draft Blocker, HVAC Inline Fan Vent
Amazon.com
$106.42
DAYTON 23"H-W 5.75"L Aluminum Backdraft Damper: For 20 in Fan, Single Panel, 23 in H, 23 in W, 2 1/2 in D Model: 4C559
Grainger
$106.42
DAYTON 23"H-W 5.75"L Aluminum Backdraft Damper: For 20 in Fan, Single Panel, 23 in H, 23 in W, 2 1/2 in D Model: 4C559
Grainger
$46.00
12-3/8 in. Galvanized Back-Draft Damper With Rubber Seal
Home Depot
7
Free shipping
$46.00
12-3/8 in. Galvanized Back-Draft Damper With Rubber Seal
Home Depot
$49.99
DAYTON 11.5"H-W 4.5"L Aluminum Backdraft Damper: For 10 in Fan, Single Panel, 11 1/2 in H, 11 1/2 in W Model: 3TZ50
Grainger
$49.99
DAYTON 11.5"H-W 4.5"L Aluminum Backdraft Damper: For 10 in Fan, Single Panel, 11 1/2 in H, 11 1/2 in W Model: 3TZ50
Grainger
$66.05
DAYTON 17"H-W 4.5"L Aluminum Backdraft Damper: For 12 in Fan, Single Panel, 17 in H, 17 in W, 2 in D, Felt Model: 4HX65
Grainger
$66.05
DAYTON 17"H-W 4.5"L Aluminum Backdraft Damper: For 12 in Fan, Single Panel, 17 in H, 17 in W, 2 in D, Felt Model: 4HX65
Grainger
$505.14
DAYTON 57"H-W 6 1/4"L Aluminum Backdraft Damper: For 54 in Fan, Double Panel, 57 in H, 57 in W, 3 in D Model: 3C313
Grainger
$505.14
DAYTON 57"H-W 6 1/4"L Aluminum Backdraft Damper: For 54 in Fan, Double Panel, 57 in H, 57 in W, 3 in D Model: 3C313
Grainger
$28.63
Tamarack TTI-CBD4 4" Cape Backdraft Damper | Supplyhouse.Com
SupplyHouse.com
7
$28.63
Tamarack TTI-CBD4 4" Cape Backdraft Damper | Supplyhouse.Com
SupplyHouse.com
$107.18
DAYTON 25"H-W 4.5"L Aluminum Backdraft Damper: For 20 in Fan, Single Panel, 25 in H, 25 in W, 2 in D, Felt Model: 4HX67
Grainger
$107.18
DAYTON 25"H-W 4.5"L Aluminum Backdraft Damper: For 20 in Fan, Single Panel, 25 in H, 25 in W, 2 in D, Felt Model: 4HX67
Grainger
$67.14
DAYTON 13"H-W 5 1/4"L Aluminum Backdraft Damper: For 10 in Fan, Single Panel, 13 in H, 13 in W, 3 in D Model: 3HHN4
Grainger
$67.14
DAYTON 13"H-W 5 1/4"L Aluminum Backdraft Damper: For 10 in Fan, Single Panel, 13 in H, 13 in W, 3 in D Model: 3HHN4
Grainger
$548.38
DAYTON 57"H-W 5 1/4"L Aluminum Backdraft Damper: For 54 in Fan, Double Panel, 57 in H, 57 in W, 3 in D Model: 3HHP1
Grainger
$548.38
DAYTON 57"H-W 5 1/4"L Aluminum Backdraft Damper: For 54 in Fan, Double Panel, 57 in H, 57 in W, 3 in D Model: 3HHP1
Grainger
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Shop Backdraft Pressure-Relief Dampers

Sponsored
About our ads
$49.95
Backdraft Damper 10" - 411-STD 10
Global Industrial
$49.95
Backdraft Damper 10" - 411-STD 10
Global Industrial
$215.95
Pressure Relief / Barometric Damper - 12 Inch
FAMCO MSFT STORE
$215.95
Pressure Relief / Barometric Damper - 12 Inch
FAMCO MSFT STORE
$159.95
Butterfly Backdraft Damper - 16 Inch
FAMCO MSFT STORE
$159.95
Butterfly Backdraft Damper - 16 Inch
FAMCO MSFT STORE
$51.95
Inline Butterfly Backdraft Damper With Spring - Galvanized - 7 Inch
FAMCO MSFT STORE
$51.95
Inline Butterfly Backdraft Damper With Spring - Galvanized - 7 Inch
FAMCO MSFT STORE
$77.95
Backdraft Damper 20" - 411-STD 20
Global Industrial
$77.95
Backdraft Damper 20" - 411-STD 20
Global Industrial
$19.99
2 Pcs 4 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
871
$19.99
2 Pcs 4 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
$25.69
6 Inch HVAC Duct Backdraft Damper, Full Stainless Steel Manual Volume Damper With Sleeve, Adjustable Airflow Control For Range Hoods, Fans, Pellet
Amazon.com
1
$25.69
6 Inch HVAC Duct Backdraft Damper, Full Stainless Steel Manual Volume Damper With Sleeve, Adjustable Airflow Control For Range Hoods, Fans, Pellet
Amazon.com
$24.99
2 Pcs 4 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector - Black
Amazon.com
670
$24.99
2 Pcs 4 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector - Black
Amazon.com
$17.98
6 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
625
$17.98
6 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
$59.99
Fantech 9800012 RSK-10 Backdraft Damper, 10" Duct
Amazon.com
552
Free shipping
$59.99
Fantech 9800012 RSK-10 Backdraft Damper, 10" Duct
Amazon.com
$19.77
8 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
150
$19.77
8 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
$115.98
DAYTON 23"H-W 5 1/4"L Aluminum Backdraft Damper: For 20 in Fan, Single Panel, 23 in H, 23 in W, 3 in D Model: 3HHN8
Grainger
$115.98
DAYTON 23"H-W 5 1/4"L Aluminum Backdraft Damper: For 20 in Fan, Single Panel, 23 in H, 23 in W, 3 in D Model: 3HHN8
Grainger
$14.81
4 Inch Backdraft Damper Back Draft Vent Duct Shutter Blocker Backflow
eBay
Free shipping
$14.81
4 Inch Backdraft Damper Back Draft Vent Duct Shutter Blocker Backflow
eBay
$29.69
[Upgraded] Hon&Guan 10 Inch Duct Backdraft Damper, One-Way Airflow Ducting Insert Backflow Preventer Duct Draft Blocker, HVAC Inline Fan Vent
Amazon.com
19
$29.69
[Upgraded] Hon&Guan 10 Inch Duct Backdraft Damper, One-Way Airflow Ducting Insert Backflow Preventer Duct Draft Blocker, HVAC Inline Fan Vent
Amazon.com
$106.42
DAYTON 23"H-W 5.75"L Aluminum Backdraft Damper: For 20 in Fan, Single Panel, 23 in H, 23 in W, 2 1/2 in D Model: 4C559
Grainger
$106.42
DAYTON 23"H-W 5.75"L Aluminum Backdraft Damper: For 20 in Fan, Single Panel, 23 in H, 23 in W, 2 1/2 in D Model: 4C559
Grainger
$46.00
12-3/8 in. Galvanized Back-Draft Damper With Rubber Seal
Home Depot
7
Free shipping
$46.00
12-3/8 in. Galvanized Back-Draft Damper With Rubber Seal
Home Depot
$49.99
DAYTON 11.5"H-W 4.5"L Aluminum Backdraft Damper: For 10 in Fan, Single Panel, 11 1/2 in H, 11 1/2 in W Model: 3TZ50
Grainger
$49.99
DAYTON 11.5"H-W 4.5"L Aluminum Backdraft Damper: For 10 in Fan, Single Panel, 11 1/2 in H, 11 1/2 in W Model: 3TZ50
Grainger
$66.05
DAYTON 17"H-W 4.5"L Aluminum Backdraft Damper: For 12 in Fan, Single Panel, 17 in H, 17 in W, 2 in D, Felt Model: 4HX65
Grainger
$66.05
DAYTON 17"H-W 4.5"L Aluminum Backdraft Damper: For 12 in Fan, Single Panel, 17 in H, 17 in W, 2 in D, Felt Model: 4HX65
Grainger