Shop backdraft dampers

Sponsored
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$67.95
Backdraft Damper 14" - 411-STD 14
Global Industrial
$67.95
Backdraft Damper 14" - 411-STD 14
Global Industrial
$77.65
Dayton 14.75"H-W 4.5"L Aluminum Backdraft Dampr: For 12 in Fan, Single Panel, 14 3/4 in H, 14 3/4 in W Model: 4HX74
Grainger
$77.65
Dayton 14.75"H-W 4.5"L Aluminum Backdraft Dampr: For 12 in Fan, Single Panel, 14 3/4 in H, 14 3/4 in W Model: 4HX74
Grainger
$77.95
Backdraft Damper 20" - 411-STD 20
Global Industrial
$77.95
Backdraft Damper 20" - 411-STD 20
Global Industrial
$176.98
Dayton 32"H-W Aluminum Spring Backdraft Damper: For 30 in Fan, Single Panel, 32 in H, 32 in W, 1 5/8 in D Model: 3HHR3
Grainger
$176.98
Dayton 32"H-W Aluminum Spring Backdraft Damper: For 30 in Fan, Single Panel, 32 in H, 32 in W, 1 5/8 in D Model: 3HHR3
Grainger
$15.99
6 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
$15.99
6 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
$70.45
Dayton 13.75"H-W 4.5"L Aluminum Backdraft Dampr: For 10 in Fan, Single Panel, 13 3/4 in H, 13 3/4 in W Model: 4HX33
Grainger
$70.45
Dayton 13.75"H-W 4.5"L Aluminum Backdraft Dampr: For 10 in Fan, Single Panel, 13 3/4 in H, 13 3/4 in W Model: 4HX33
Grainger
$71.01
Dayton 12.75"H-W 4.5"L Aluminum Backdraft Dampr: For 10 in Fan, Single Panel, 12 3/4 in H, 12 3/4 in W Model: 4HX73
Grainger
$71.01
Dayton 12.75"H-W 4.5"L Aluminum Backdraft Dampr: For 10 in Fan, Single Panel, 12 3/4 in H, 12 3/4 in W Model: 4HX73
Grainger
$37.16
Round Steel 4 Inch Backdraft Damper CAR100
Industrial Fans Direct
Free shipping
$37.16
Round Steel 4 Inch Backdraft Damper CAR100
Industrial Fans Direct
$511.40
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
$511.40
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
$96.92
27 Inch Gravity Backdraft Damper I-27
Industrial Fans Direct
Free shipping
$96.92
27 Inch Gravity Backdraft Damper I-27
Industrial Fans Direct
$75.24
4" TD Inline Backdraft Damper - MCA-100
Industrial Fans Direct
Free shipping
$75.24
4" TD Inline Backdraft Damper - MCA-100
Industrial Fans Direct
$17.99
8 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
$17.99
8 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
$41.95
RDP Butterfly Backdraft Damper - 8 Inch
Roofing Direct
$41.95
RDP Butterfly Backdraft Damper - 8 Inch
Roofing Direct
$63.87
Fantech RSK12 RSK Series 12" Duct Round Backdraft Damper | Supplyhouse.Com
SupplyHouse.com
$63.87
Fantech RSK12 RSK Series 12" Duct Round Backdraft Damper | Supplyhouse.Com
SupplyHouse.com
$136.99
Dayton 30 in 33 H-W 5.75" L Alu Wall Backdraft Dampr, 30-1/2 in X 30-1/2 In, Aluminum 2FTX1-1 Each
Amazon.com
Free shipping
$136.99
Dayton 30 in 33 H-W 5.75" L Alu Wall Backdraft Dampr, 30-1/2 in X 30-1/2 In, Aluminum 2FTX1-1 Each
Amazon.com
$96.49
Canarm 9301003 3000 Series 15"" X 15"" Gravity Shutter Backdraft Damper
WebstaurantStore
$96.49
Canarm 9301003 3000 Series 15"" X 15"" Gravity Shutter Backdraft Damper
WebstaurantStore
$43.95
RDP Spring-Loaded Inline Butterfly Backdraft Damper - 8 Inch
Roofing Direct
$43.95
RDP Spring-Loaded Inline Butterfly Backdraft Damper - 8 Inch
Roofing Direct
$386.23
Supply Gravity Backdraft Damper - 2401-2121D
Industrial Fans Direct
Free shipping
$386.23
Supply Gravity Backdraft Damper - 2401-2121D
Industrial Fans Direct
$18.95
Spring Loaded Backdraft Damper 4 Inch BDD100
Industrial Fans Direct
Free shipping
$18.95
Spring Loaded Backdraft Damper 4 Inch BDD100
Industrial Fans Direct
$15.99
$17.99
Fixirons 4" HVAC Duct Manual Volume Damper Metal Adjustment Airflow Ducting Backdraft Damper For Air Ventilation System HVAC
Amazon.com
11% off
$15.99
$17.99
Fixirons 4" HVAC Duct Manual Volume Damper Metal Adjustment Airflow Ducting Backdraft Damper For Air Ventilation System HVAC
Amazon.com
$31.77
Fantech RSK6 RSK Series 6" Duct Round Backdraft Damper | Supplyhouse.Com
SupplyHouse.com
$31.77
Fantech RSK6 RSK Series 6" Duct Round Backdraft Damper | Supplyhouse.Com
SupplyHouse.com
$25.99
[Upgraded] Hon&Guan 10 Inch Duct Backdraft Damper, One-Way Airflow Ducting Insert Backflow Preventer Duct Draft Blocker, HVAC Inline Fan Vent
Amazon.com
$25.99
[Upgraded] Hon&Guan 10 Inch Duct Backdraft Damper, One-Way Airflow Ducting Insert Backflow Preventer Duct Draft Blocker, HVAC Inline Fan Vent
Amazon.com
$49.83
Broan-Nutone In-Line Backdraft Damper 10 Inch Round Fits Models 326 326H RM326H (S99580015)
Lighting Supply
$49.83
Broan-Nutone In-Line Backdraft Damper 10 Inch Round Fits Models 326 326H RM326H (S99580015)
Lighting Supply
$52.40
Fantech RSK10 RSK Series 10" Duct Round Backdraft Damper | Supplyhouse.Com
SupplyHouse.com
$52.40
Fantech RSK10 RSK Series 10" Duct Round Backdraft Damper | Supplyhouse.Com
SupplyHouse.com
$32.64
Fantech RSK5 RSK Series 5" Duct Round Backdraft Damper | Supplyhouse.Com
SupplyHouse.com
$32.64
Fantech RSK5 RSK Series 5" Duct Round Backdraft Damper | Supplyhouse.Com
SupplyHouse.com
$34.68
Fantech RSK8 RSK Series 8" Duct Round Backdraft Damper | Supplyhouse.Com
SupplyHouse.com
$34.68
Fantech RSK8 RSK Series 8" Duct Round Backdraft Damper | Supplyhouse.Com
SupplyHouse.com
$130.34
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
$130.34
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
$120.45
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
$120.45
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
$115.53
Dayton 19.75"H-W 4.5"L Aluminum Backdraft Dampr: For 16 in Fan, Single Panel, 19 3/4 in H, 19 3/4 in W Model: 5NKN4
Grainger
$115.53
Dayton 19.75"H-W 4.5"L Aluminum Backdraft Dampr: For 16 in Fan, Single Panel, 19 3/4 in H, 19 3/4 in W Model: 5NKN4
Grainger
$786.48
$820.53
Miller Backdraft Damper - 300695 | Miller Electric
Baker's Gas & Welding Supplies
1
$786.48
$820.53
Miller Backdraft Damper - 300695 | Miller Electric
Baker's Gas & Welding Supplies
$84.88
Dayton 15"H-W 5 1/4"L Aluminum Backdraft Damper: For 12 in Fan, Single Panel, 15 in H, 15 in W, 3 in D Model: 3HHN5
Grainger
$84.88
Dayton 15"H-W 5 1/4"L Aluminum Backdraft Damper: For 12 in Fan, Single Panel, 15 in H, 15 in W, 3 in D Model: 3HHN5
Grainger
$72.79
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
$72.79
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
$110.19
Dayton 21"H-W 5.75"L Aluminum Backdraft Damper: For 18 in Fan, Single Panel, 21 in H, 21 in W, 2 1/2 in D Model: 4C558
Grainger
$110.19
Dayton 21"H-W 5.75"L Aluminum Backdraft Damper: For 18 in Fan, Single Panel, 21 in H, 21 in W, 2 1/2 in D Model: 4C558
Grainger
$92.46
Dayton 16.75"H-W 4.5"L Aluminum Backdraft Dampr: For 12 in Fan, Single Panel, 16 3/4 in H, 16 3/4 in W Model: 4HX76
Grainger
$92.46
Dayton 16.75"H-W 4.5"L Aluminum Backdraft Dampr: For 12 in Fan, Single Panel, 16 3/4 in H, 16 3/4 in W Model: 4HX76
Grainger
$60.67
Dayton 14"H-W 4.5"L Aluminum Backdraft Damper: For 12 in Fan, Single Panel, 14 in H, 14 in W, 2 in D, Felt Model: 4HX64
Grainger
$60.67
Dayton 14"H-W 4.5"L Aluminum Backdraft Damper: For 12 in Fan, Single Panel, 14 in H, 14 in W, 2 in D, Felt Model: 4HX64
Grainger
$301.55
Dayton 52"H-W 4.5"L Aluminum Backdraft Damper: For 48 in Fan, Single Panel, 52 in H, 52 in W, 2 in D, Felt Model: 4HX71
Grainger
$301.55
Dayton 52"H-W 4.5"L Aluminum Backdraft Damper: For 48 in Fan, Single Panel, 52 in H, 52 in W, 2 in D, Felt Model: 4HX71
Grainger
“Backdraft” Movie Review #movierecommendations #moviereview
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“Backdraft” Movie Review #movierecommendations #moviereview
1 views2 days ago
YouTubecamthemovieman
Backdraft Fire vs Water Shield: Firefighting Science Revealed
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Backdraft Fire vs Water Shield: Firefighting Science Revealed
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YouTubevt.physics
The Dangerous Reality of a Backdraft 🏢🔥
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The Dangerous Reality of a Backdraft 🏢🔥
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YouTubeHow It Works
What Is a Backdraft? The Explosive Fire Phenomenon Explained
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What Is a Backdraft? The Explosive Fire Phenomenon Explained
782 views3 months ago
YouTubeBlue BMS
The Science of the Backdraft Explosion ⚠️ #physics #experiment #science #education #usa
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The Science of the Backdraft Explosion ⚠️ #physics #experiment #science #education #usa
13 views9 months ago
YouTubeEX periMENT
Firefighter Demonstrates a Backdraft | What REALLY Happens Inside a Fire
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Firefighter Demonstrates a Backdraft | What REALLY Happens Inside a Fire
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YouTubeBernard Taylor
How a Backdraft Can Happen During a House Fire
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How a Backdraft Can Happen During a House Fire
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YouTubeScience Explained
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The Deadly "Backdraft" Phenomenon! | Fire Physics🚪💥
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YouTubeKF Labs
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Fireball Explosion Backdraft!
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YouTubeThe Engineering Dream
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Backdraft Phenomenon #funfacts #science #knowledge
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YouTubeFacts5Minutes
0:17
#backdraft #firescience #firesafety #firedamage #firerestoration | Abbotts Cleanup & Restoration
6 days ago
linkedin.comAbbotts Cleanup & Restoration
0:22
Flashover or Backdraft? Can You Tell the Difference? #firesafety #fire #fireprotection #rapgco #nfpa
2 days ago
YouTubeRAPGCO | Fire Protection & Industrial Safety
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Backdrafts Understanding the Phenomenon #fireprevention #fire
313 viewsMar 11, 2024
YouTubeFire Rescue Classified
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🔥 BACKDRAFT Explained – The Most Dangerous Fire Phenomenon in Confined Spaces#firesafety #awareness
26 views3 months ago
YouTubePEOPLES SAFETY FORUM
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You Don't Pick Your Deck. Your Pet Does. (Backdraft)
64 views5 days ago
YouTubeF2P Sol
1:21
Why Backdraft Can Happen When You Start to Practice Self-Compassion
1.3K viewsJun 21, 2025
YouTubeDr. Kristin Neff
0:22
Fire Behavior - Backdraft
34.5K viewsJan 13, 2022
YouTubeTrain Your Probie
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Emergency Fire Crew Backdraft Demonstration #fire #firefighter #firefighters #backdraft
3K viewsOct 26, 2024
YouTubeRich Raspini
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Backdraft demo shows sudden fire explosion risk.#FireSafety #Backdraft #Firefighters #FireTraining
519 viewsMay 26, 2025
YouTubeExplainEverythingHub
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The Firefighter’s Biggest Mistake Turned Into a Deadly Explosion 😨🔥#Firefighter #Backdraft
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YouTubeThe Story Vault
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Don't Open That Door! The Science of "Backdraft" Explosions
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YouTubeKL_Zone
0:57
Backdraft | A living thing
24K viewsJan 22, 2024
YouTubeUniversal Pictures At Home
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Why is Backdraft Extremely Dangerous?! #engineering #didyouknow #fire #technology
33K viewsNov 7, 2024
YouTubeThe Engineering Dream
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The Trick Firefighters Use to Survive a Backdraft
4.3K views5 months ago
YouTubeAI Disruptor
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[Ad] [Backdraft Partner] IS THIS JUST YU-GI-OH WITH MONSTERS?! 😭😂
465 views4 days ago
YouTubeShadowBrad727
0:34
A Card Only Joins Your Collection If It WINS You The Run 🃏 (Backdraft)
225 views4 days ago
YouTubeF2P Sol
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🔥 Le phénomène terrifiant du backdraft expliqué simplement !
21.3K views10 months ago
YouTubeJōHō
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How Trapped Fire Becomes a Weapon #Backdraft #Explosion
12 views8 months ago
YouTubeUntold Nuggets
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[Ad] [Backdraft Partner] DON'T TOUCH MY SON. 😤😂 #Backdraft #gaming #shorts #deckbuilder
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Amazing Backdraft Training Video
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Shop backdraft dampers

Sponsored
About our ads
$130.34
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
$130.34
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
$120.45
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
$120.45
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
$115.53
Dayton 19.75"H-W 4.5"L Aluminum Backdraft Dampr: For 16 in Fan, Single Panel, 19 3/4 in H, 19 3/4 in W Model: 5NKN4
Grainger
$115.53
Dayton 19.75"H-W 4.5"L Aluminum Backdraft Dampr: For 16 in Fan, Single Panel, 19 3/4 in H, 19 3/4 in W Model: 5NKN4
Grainger
$84.88
Dayton 15"H-W 5 1/4"L Aluminum Backdraft Damper: For 12 in Fan, Single Panel, 15 in H, 15 in W, 3 in D Model: 3HHN5
Grainger
$84.88
Dayton 15"H-W 5 1/4"L Aluminum Backdraft Damper: For 12 in Fan, Single Panel, 15 in H, 15 in W, 3 in D Model: 3HHN5
Grainger
$72.79
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
$72.79
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
$17.99
8 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
$17.99
8 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
$41.95
RDP Butterfly Backdraft Damper - 8 Inch
Roofing Direct
$41.95
RDP Butterfly Backdraft Damper - 8 Inch
Roofing Direct
$63.87
Fantech RSK12 RSK Series 12" Duct Round Backdraft Damper | Supplyhouse.Com
SupplyHouse.com
$63.87
Fantech RSK12 RSK Series 12" Duct Round Backdraft Damper | Supplyhouse.Com
SupplyHouse.com
$136.99
Dayton 30 in 33 H-W 5.75" L Alu Wall Backdraft Dampr, 30-1/2 in X 30-1/2 In, Aluminum 2FTX1-1 Each
Amazon.com
Free shipping
$136.99
Dayton 30 in 33 H-W 5.75" L Alu Wall Backdraft Dampr, 30-1/2 in X 30-1/2 In, Aluminum 2FTX1-1 Each
Amazon.com
$96.49
Canarm 9301003 3000 Series 15"" X 15"" Gravity Shutter Backdraft Damper
WebstaurantStore
$96.49
Canarm 9301003 3000 Series 15"" X 15"" Gravity Shutter Backdraft Damper
WebstaurantStore
$43.95
RDP Spring-Loaded Inline Butterfly Backdraft Damper - 8 Inch
Roofing Direct
$43.95
RDP Spring-Loaded Inline Butterfly Backdraft Damper - 8 Inch
Roofing Direct
$386.23
Supply Gravity Backdraft Damper - 2401-2121D
Industrial Fans Direct
Free shipping
$386.23
Supply Gravity Backdraft Damper - 2401-2121D
Industrial Fans Direct
$18.95
Spring Loaded Backdraft Damper 4 Inch BDD100
Industrial Fans Direct
Free shipping
$18.95
Spring Loaded Backdraft Damper 4 Inch BDD100
Industrial Fans Direct
$15.99
$17.99
Fixirons 4" HVAC Duct Manual Volume Damper Metal Adjustment Airflow Ducting Backdraft Damper For Air Ventilation System HVAC
Amazon.com
11% off
$15.99
$17.99
Fixirons 4" HVAC Duct Manual Volume Damper Metal Adjustment Airflow Ducting Backdraft Damper For Air Ventilation System HVAC
Amazon.com
$31.77
Fantech RSK6 RSK Series 6" Duct Round Backdraft Damper | Supplyhouse.Com
SupplyHouse.com
$31.77
Fantech RSK6 RSK Series 6" Duct Round Backdraft Damper | Supplyhouse.Com
SupplyHouse.com
$25.99
[Upgraded] Hon&Guan 10 Inch Duct Backdraft Damper, One-Way Airflow Ducting Insert Backflow Preventer Duct Draft Blocker, HVAC Inline Fan Vent
Amazon.com
$25.99
[Upgraded] Hon&Guan 10 Inch Duct Backdraft Damper, One-Way Airflow Ducting Insert Backflow Preventer Duct Draft Blocker, HVAC Inline Fan Vent
Amazon.com
$49.83
Broan-Nutone In-Line Backdraft Damper 10 Inch Round Fits Models 326 326H RM326H (S99580015)
Lighting Supply
$49.83
Broan-Nutone In-Line Backdraft Damper 10 Inch Round Fits Models 326 326H RM326H (S99580015)
Lighting Supply
$749.48
EFX 12 Inch Back-Draft Damper 10205
Industrial Fans Direct
Free shipping
$749.48
EFX 12 Inch Back-Draft Damper 10205
Industrial Fans Direct

Shop backdraft dampers

Sponsored
About our ads
$67.95
Backdraft Damper 14" - 411-STD 14
Global Industrial
$67.95
Backdraft Damper 14" - 411-STD 14
Global Industrial
$77.65
Dayton 14.75"H-W 4.5"L Aluminum Backdraft Dampr: For 12 in Fan, Single Panel, 14 3/4 in H, 14 3/4 in W Model: 4HX74
Grainger
$77.65
Dayton 14.75"H-W 4.5"L Aluminum Backdraft Dampr: For 12 in Fan, Single Panel, 14 3/4 in H, 14 3/4 in W Model: 4HX74
Grainger
$77.95
Backdraft Damper 20" - 411-STD 20
Global Industrial
$77.95
Backdraft Damper 20" - 411-STD 20
Global Industrial
$176.98
Dayton 32"H-W Aluminum Spring Backdraft Damper: For 30 in Fan, Single Panel, 32 in H, 32 in W, 1 5/8 in D Model: 3HHR3
Grainger
$176.98
Dayton 32"H-W Aluminum Spring Backdraft Damper: For 30 in Fan, Single Panel, 32 in H, 32 in W, 1 5/8 in D Model: 3HHR3
Grainger
$15.99
6 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
$15.99
6 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
$70.45
Dayton 13.75"H-W 4.5"L Aluminum Backdraft Dampr: For 10 in Fan, Single Panel, 13 3/4 in H, 13 3/4 in W Model: 4HX33
Grainger
$70.45
Dayton 13.75"H-W 4.5"L Aluminum Backdraft Dampr: For 10 in Fan, Single Panel, 13 3/4 in H, 13 3/4 in W Model: 4HX33
Grainger
$71.01
Dayton 12.75"H-W 4.5"L Aluminum Backdraft Dampr: For 10 in Fan, Single Panel, 12 3/4 in H, 12 3/4 in W Model: 4HX73
Grainger
$71.01
Dayton 12.75"H-W 4.5"L Aluminum Backdraft Dampr: For 10 in Fan, Single Panel, 12 3/4 in H, 12 3/4 in W Model: 4HX73
Grainger
$37.16
Round Steel 4 Inch Backdraft Damper CAR100
Industrial Fans Direct
Free shipping
$37.16
Round Steel 4 Inch Backdraft Damper CAR100
Industrial Fans Direct
$511.40
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
$511.40
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
$96.92
27 Inch Gravity Backdraft Damper I-27
Industrial Fans Direct
Free shipping
$96.92
27 Inch Gravity Backdraft Damper I-27
Industrial Fans Direct
$75.24
4" TD Inline Backdraft Damper - MCA-100
Industrial Fans Direct
Free shipping
$75.24
4" TD Inline Backdraft Damper - MCA-100
Industrial Fans Direct
$17.99
8 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
$17.99
8 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
$41.95
RDP Butterfly Backdraft Damper - 8 Inch
Roofing Direct
$41.95
RDP Butterfly Backdraft Damper - 8 Inch
Roofing Direct
$63.87
Fantech RSK12 RSK Series 12" Duct Round Backdraft Damper | Supplyhouse.Com
SupplyHouse.com
$63.87
Fantech RSK12 RSK Series 12" Duct Round Backdraft Damper | Supplyhouse.Com
SupplyHouse.com
$136.99
Dayton 30 in 33 H-W 5.75" L Alu Wall Backdraft Dampr, 30-1/2 in X 30-1/2 In, Aluminum 2FTX1-1 Each
Amazon.com
Free shipping
$136.99
Dayton 30 in 33 H-W 5.75" L Alu Wall Backdraft Dampr, 30-1/2 in X 30-1/2 In, Aluminum 2FTX1-1 Each
Amazon.com
$96.49
Canarm 9301003 3000 Series 15"" X 15"" Gravity Shutter Backdraft Damper
WebstaurantStore
$96.49
Canarm 9301003 3000 Series 15"" X 15"" Gravity Shutter Backdraft Damper
WebstaurantStore
$43.95
RDP Spring-Loaded Inline Butterfly Backdraft Damper - 8 Inch
Roofing Direct
$43.95
RDP Spring-Loaded Inline Butterfly Backdraft Damper - 8 Inch
Roofing Direct
$386.23
Supply Gravity Backdraft Damper - 2401-2121D
Industrial Fans Direct
Free shipping
$386.23
Supply Gravity Backdraft Damper - 2401-2121D
Industrial Fans Direct