Shop back draught damper

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$39.95
Draft Blocker 10'' Inch - Backdraft Damper - Draft Stopper - Backflow Preventer - Inline Fan Vent Deflector - One-Way Airflow Ducting - Dryer Duct
Amazon.com
813
Free shipping
$39.95
Draft Blocker 10'' Inch - Backdraft Damper - Draft Stopper - Backflow Preventer - Inline Fan Vent Deflector - One-Way Airflow Ducting - Dryer Duct
Amazon.com
813
$14.77
6 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
293
$14.77
6 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
293
$16.77
8 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
562
$16.77
8 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
562
$18.98
2 Pcs 4 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
432
$18.98
2 Pcs 4 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
432
$9.48
4 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
432
$9.48
4 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
432
$9.48
4 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector - Black
Amazon.com
808
$9.48
4 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector - Black
Amazon.com
808
$13.79
[Upgraded] Hon&Guan 6 Inch Backdraft Damper, One-Way Airflow Duct Damper 6 Inch Ducting Insert Backflow Preventer Duct Draft Blocker
Amazon.com
90
$13.79
[Upgraded] Hon&Guan 6 Inch Backdraft Damper, One-Way Airflow Duct Damper 6 Inch Ducting Insert Backflow Preventer Duct Draft Blocker
Amazon.com
90
$26.77
Kikerike 10 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
923
$26.77
Kikerike 10 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
923
$16.97
QWORK 4 Inch Galvanized Backdraft Damper Duct Manual Volume Damper With Sleeve For HVAC Air Balancing Systems, Range Hoods, And Fans - Adjustment
Amazon.com
6
$16.97
QWORK 4 Inch Galvanized Backdraft Damper Duct Manual Volume Damper With Sleeve For HVAC Air Balancing Systems, Range Hoods, And Fans - Adjustment
Amazon.com
6
$28.99
Therwen Backdraft Damper Duct Manual Volume Damper With Sleeve Galvanized Sheet Adjustment Airflow Ducting Branch HVAC Air Balancing For Range Hoods
Amazon.com
24
$28.99
Therwen Backdraft Damper Duct Manual Volume Damper With Sleeve Galvanized Sheet Adjustment Airflow Ducting Branch HVAC Air Balancing For Range Hoods
Amazon.com
24
$18.99
SOUJOY 2 Pack 4 Inch Backdraft Damper Duct, One-Way Airflow Duct Draft Stopper, Insert Backflow Preventer For Dryer, Ducting In Range Hoods,
Amazon.com
8
$18.99
SOUJOY 2 Pack 4 Inch Backdraft Damper Duct, One-Way Airflow Duct Draft Stopper, Insert Backflow Preventer For Dryer, Ducting In Range Hoods,
Amazon.com
8
$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
132
$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
132
$17.99
[Upgraded] Hon&Guan Duct Damper 4 Inch, Backdraft Damper One-Way Airflow Vent Damper Backflow Preventer For 4 Inch Duct Dryer Vent Hose-2Pcs
Amazon.com
5
$17.99
[Upgraded] Hon&Guan Duct Damper 4 Inch, Backdraft Damper One-Way Airflow Vent Damper Backflow Preventer For 4 Inch Duct Dryer Vent Hose-2Pcs
Amazon.com
5
$40.76
PATIKIL HVAC Duct Manual Volume Backdraft Damper, 8 Inch, Airflow Ducting Branch Vent Damper Air Control Valve, Adjustment Handle Stainless Steel,
Amazon.com
96
Free shipping
$40.76
PATIKIL HVAC Duct Manual Volume Backdraft Damper, 8 Inch, Airflow Ducting Branch Vent Damper Air Control Valve, Adjustment Handle Stainless Steel,
Amazon.com
96
$24.49
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
$24.49
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
$28.99
TOP-VIGOR 8 Inch HVAC Duct Manual Volume Backdraft Damper, Galvanized Iron Airflow Control For HVAC, Range Hoods, Fans, Pellet Stove Pipes, Dryer
Amazon.com
6
$28.99
TOP-VIGOR 8 Inch HVAC Duct Manual Volume Backdraft Damper, Galvanized Iron Airflow Control For HVAC, Range Hoods, Fans, Pellet Stove Pipes, Dryer
Amazon.com
6
$106.37
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
$106.37
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
$176.44
Dayton Backdraft Damper, Horizontal, 33-3/4Sq - 3HHL9
Amazon.com
Free shipping
$176.44
Dayton Backdraft Damper, Horizontal, 33-3/4Sq - 3HHL9
Amazon.com
Free shipping
$259.16
Dayton 33"H-W 6.5"L Extrd Alu Backdraft Dampr: For 30 in Fan, Single Panel, 33 in H, 33 in W, 3 in D, Wall Model: 4FZH8
Grainger
$259.16
Dayton 33"H-W 6.5"L Extrd Alu Backdraft Dampr: For 30 in Fan, Single Panel, 33 in H, 33 in W, 3 in D, Wall Model: 4FZH8
Grainger
$17.99
AC Infinity 4" Backdraft Damper, One-Way Airflow Ducting Insert With Spring-Loaded Folding Blades For 4" Ducting In Range Hoods And Bathrooms Fans
Amazon.com
1K+
$17.99
AC Infinity 4" Backdraft Damper, One-Way Airflow Ducting Insert With Spring-Loaded Folding Blades For 4" Ducting In Range Hoods And Bathrooms Fans
Amazon.com
1K+
$29.99
Copkim 4 Pieces 4 Inch Backdraft Damper One Way Airflow Dryer Vent Backflow Preventer Duct Draft Stopper Inline Fan Vent Deflector With 2 Spring
Amazon.com
$29.99
Copkim 4 Pieces 4 Inch Backdraft Damper One Way Airflow Dryer Vent Backflow Preventer Duct Draft Stopper Inline Fan Vent Deflector With 2 Spring
Amazon.com
$61.36
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
$61.36
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
$21.65
DL Wholesale Backdraft Damper, 6"
Hydrobuilder
$21.65
DL Wholesale Backdraft Damper, 6"
Hydrobuilder
$46.00
Butterfly Backdraft Damper (3 Inch) (BD 3)
Amazon.com
38
Free shipping
$46.00
Butterfly Backdraft Damper (3 Inch) (BD 3)
Amazon.com
38
$18.85
FRESH SPEED 6-Inch Backdraft Damper Shutter Inline Spring Loaded For Dryer Duct
Amazon.com
244
$18.85
FRESH SPEED 6-Inch Backdraft Damper Shutter Inline Spring Loaded For Dryer Duct
Amazon.com
244
$72.39
PATIKIL 12" HVAC Duct Manual Volume Damper, Metal Adjustment Airflow Ducting Backdraft Damper Control For Air Ventilation System
Amazon.com
99
Free shipping
$72.39
PATIKIL 12" HVAC Duct Manual Volume Damper, Metal Adjustment Airflow Ducting Backdraft Damper Control For Air Ventilation System
Amazon.com
99
$26.54
PATIKIL HVAC Duct Manual Volume Backdraft Damper, 6 Inch/150Mm, Airflow Ducting Branch Vent Damper Air Control Valve, Adjustment Handle Stainless
Amazon.com
96
$26.54
PATIKIL HVAC Duct Manual Volume Backdraft Damper, 6 Inch/150Mm, Airflow Ducting Branch Vent Damper Air Control Valve, Adjustment Handle Stainless
Amazon.com
96
$32.89
EATAKWARD 6 Inch Backdraft Damper HVAC Duct Manual Volume Damper Adjustment Airflow Ducting Branch HVAC Air Balancing For Air Ventilation System 2 Pcs
Amazon.com
2
$32.89
EATAKWARD 6 Inch Backdraft Damper HVAC Duct Manual Volume Damper Adjustment Airflow Ducting Branch HVAC Air Balancing For Air Ventilation System 2 Pcs
Amazon.com
2
$22.76
PATIKIL HVAC Duct Manual Volume Backdraft Damper, 4 Inch, Airflow Ducting Branch Vent Damper Air Control Valve, Adjustment Handle Stainless Steel,
Amazon.com
98
$22.76
PATIKIL HVAC Duct Manual Volume Backdraft Damper, 4 Inch, Airflow Ducting Branch Vent Damper Air Control Valve, Adjustment Handle Stainless Steel,
Amazon.com
98
$212.11
Dayton 39.75"H-W 4.5"L Aluminum Backdraft Dampr: For 40 in Fan, For 40 in Nominal Duct Dia, Single Panel Model: 3HHN2
Grainger
$212.11
Dayton 39.75"H-W 4.5"L Aluminum Backdraft Dampr: For 40 in Fan, For 40 in Nominal Duct Dia, Single Panel Model: 3HHN2
Grainger
$53.99
Panasonic BDD-10 Atmosphere Backdraft Damper 10-Inch, Spring Loaded For Model VTX1000 BY BUYRITE ELECTRIC
BuyRite Electric
$53.99
Panasonic BDD-10 Atmosphere Backdraft Damper 10-Inch, Spring Loaded For Model VTX1000 BY BUYRITE ELECTRIC
BuyRite Electric
$63.40
Dayton 15"H-W 5.75"L Alu Wall Backdraft Dampr: For 12 in Fan, Single Panel, 15 in H, 15 in W, 2 1/2 in D Model: 1C742
Grainger
$63.40
Dayton 15"H-W 5.75"L Alu Wall Backdraft Dampr: For 12 in Fan, Single Panel, 15 in H, 15 in W, 2 1/2 in D Model: 1C742
Grainger
$98.49
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
$98.49
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
$93.55
Dayton 15"H-W 6.5"L Extrd Alu Backdraft Dampr: For 12 in Fan, Single Panel, 15 in H, 15 in W, 3 in D, Wall Model: 4FZH3
Grainger
$93.55
Dayton 15"H-W 6.5"L Extrd Alu Backdraft Dampr: For 12 in Fan, Single Panel, 15 in H, 15 in W, 3 in D, Wall Model: 4FZH3
Grainger
$83.19
Dayton 25"H-W 6"L Aluminum Backdraft Damper: For 20 in Fan, Single Panel, 25 in H, 25 in W, 2 1/4 in D Model: 53DR20
Grainger
1
$83.19
Dayton 25"H-W 6"L Aluminum Backdraft Damper: For 20 in Fan, Single Panel, 25 in H, 25 in W, 2 1/4 in D Model: 53DR20
Grainger
1
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Shop back draught damper

Sponsored
About our ads
$39.95
Draft Blocker 10'' Inch - Backdraft Damper - Draft Stopper - Backflow Preventer - Inline Fan Vent Deflector - One-Way Airflow Ducting - Dryer Duct
Amazon.com
813
Free shipping
$39.95
Draft Blocker 10'' Inch - Backdraft Damper - Draft Stopper - Backflow Preventer - Inline Fan Vent Deflector - One-Way Airflow Ducting - Dryer Duct
Amazon.com
813
$14.77
6 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
293
$14.77
6 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
293
$16.77
8 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
562
$16.77
8 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
562
$18.98
2 Pcs 4 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
432
$18.98
2 Pcs 4 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
432
$9.48
4 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
432
$9.48
4 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
432
$9.48
4 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector - Black
Amazon.com
808
$9.48
4 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector - Black
Amazon.com
808
$13.79
[Upgraded] Hon&Guan 6 Inch Backdraft Damper, One-Way Airflow Duct Damper 6 Inch Ducting Insert Backflow Preventer Duct Draft Blocker
Amazon.com
90
$13.79
[Upgraded] Hon&Guan 6 Inch Backdraft Damper, One-Way Airflow Duct Damper 6 Inch Ducting Insert Backflow Preventer Duct Draft Blocker
Amazon.com
90
$26.77
Kikerike 10 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
923
$26.77
Kikerike 10 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
923
$16.97
QWORK 4 Inch Galvanized Backdraft Damper Duct Manual Volume Damper With Sleeve For HVAC Air Balancing Systems, Range Hoods, And Fans - Adjustment
Amazon.com
6
$16.97
QWORK 4 Inch Galvanized Backdraft Damper Duct Manual Volume Damper With Sleeve For HVAC Air Balancing Systems, Range Hoods, And Fans - Adjustment
Amazon.com
6
$28.99
Therwen Backdraft Damper Duct Manual Volume Damper With Sleeve Galvanized Sheet Adjustment Airflow Ducting Branch HVAC Air Balancing For Range Hoods
Amazon.com
24
$28.99
Therwen Backdraft Damper Duct Manual Volume Damper With Sleeve Galvanized Sheet Adjustment Airflow Ducting Branch HVAC Air Balancing For Range Hoods
Amazon.com
24
$18.99
SOUJOY 2 Pack 4 Inch Backdraft Damper Duct, One-Way Airflow Duct Draft Stopper, Insert Backflow Preventer For Dryer, Ducting In Range Hoods,
Amazon.com
8
$18.99
SOUJOY 2 Pack 4 Inch Backdraft Damper Duct, One-Way Airflow Duct Draft Stopper, Insert Backflow Preventer For Dryer, Ducting In Range Hoods,
Amazon.com
8
$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
132
$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
132
$17.99
[Upgraded] Hon&Guan Duct Damper 4 Inch, Backdraft Damper One-Way Airflow Vent Damper Backflow Preventer For 4 Inch Duct Dryer Vent Hose-2Pcs
Amazon.com
5
$17.99
[Upgraded] Hon&Guan Duct Damper 4 Inch, Backdraft Damper One-Way Airflow Vent Damper Backflow Preventer For 4 Inch Duct Dryer Vent Hose-2Pcs
Amazon.com
5
$40.76
PATIKIL HVAC Duct Manual Volume Backdraft Damper, 8 Inch, Airflow Ducting Branch Vent Damper Air Control Valve, Adjustment Handle Stainless Steel,
Amazon.com
96
Free shipping
$40.76
PATIKIL HVAC Duct Manual Volume Backdraft Damper, 8 Inch, Airflow Ducting Branch Vent Damper Air Control Valve, Adjustment Handle Stainless Steel,
Amazon.com
96
$24.49
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
$24.49
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
$28.99
TOP-VIGOR 8 Inch HVAC Duct Manual Volume Backdraft Damper, Galvanized Iron Airflow Control For HVAC, Range Hoods, Fans, Pellet Stove Pipes, Dryer
Amazon.com
6
$28.99
TOP-VIGOR 8 Inch HVAC Duct Manual Volume Backdraft Damper, Galvanized Iron Airflow Control For HVAC, Range Hoods, Fans, Pellet Stove Pipes, Dryer
Amazon.com
6
$106.37
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
$106.37
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
$176.44
Dayton Backdraft Damper, Horizontal, 33-3/4Sq - 3HHL9
Amazon.com
Free shipping
$176.44
Dayton Backdraft Damper, Horizontal, 33-3/4Sq - 3HHL9
Amazon.com
Free shipping