Shop fan array backdraft damper

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$30.99
Copkim 4 Pcs Backdraft Damper One Way Airflow Dryer Vent Backflow Preventer Duct Draft Stopper Inline Fan Vent Deflector With 2 Spring Loaded Folding
Amazon.com
7
$30.99
Copkim 4 Pcs Backdraft Damper One Way Airflow Dryer Vent Backflow Preventer Duct Draft Stopper Inline Fan Vent Deflector With 2 Spring Loaded Folding
Amazon.com
7
$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
1
$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
1
$291.24
DAYTON 32.75"H-W Alu Universal Backdraft Dampr: For 30 in Fan, Single Panel, 32 3/4 in H, 32 3/4 in W, Felt Model: 3HHT1
Grainger
$291.24
DAYTON 32.75"H-W Alu Universal Backdraft Dampr: For 30 in Fan, Single Panel, 32 3/4 in H, 32 3/4 in W, Felt Model: 3HHT1
Grainger
$19.77
$21.99
2 Pcs 4 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
807
10% off
$19.77
$21.99
2 Pcs 4 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
807
$554.10
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
$554.10
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
$141.99
DAYTON 22.75"H-W 4.5"L Aluminum Backdraft Dampr: For 20 in Fan, Single Panel, 22 3/4 in H, 22 3/4 in W Model: 5NKN5
Grainger
$141.99
DAYTON 22.75"H-W 4.5"L Aluminum Backdraft Dampr: For 20 in Fan, Single Panel, 22 3/4 in H, 22 3/4 in W Model: 5NKN5
Grainger
$269.87
DAYTON 15"H-W 5 1/4"L SS Backdraft Dampr: For 12 in Fan, Single Panel, 15 in H, 15 in W, 2 in D, Horizontal Model: 4FZJ4
Grainger
$269.87
DAYTON 15"H-W 5 1/4"L SS Backdraft Dampr: For 12 in Fan, Single Panel, 15 in H, 15 in W, 2 in D, Horizontal Model: 4FZJ4
Grainger
$16.98
$19.99
8 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
6
15% off
$16.98
$19.99
8 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
6
$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
$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
$13.99
$14.99
6 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
668
$13.99
$14.99
6 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
668
$87.90
DAYTON 15.75"H-W 4.5"L Aluminum Backdraft Dampr: For 12 in Fan, Single Panel, 15 3/4 in H, 15 3/4 in W Model: 4HX75
Grainger
$87.90
DAYTON 15.75"H-W 4.5"L Aluminum Backdraft Dampr: For 12 in Fan, Single Panel, 15 3/4 in H, 15 3/4 in W Model: 4HX75
Grainger
$23.90
ECOPRO VENT - 8" Inch Backdraft Damper For Straight Or Flex Duct. Bathroom Exhaust Fan. Kitchen Hood Exhaust Fan And Different Dryer Fan Backflow
Amazon.com
118
$23.90
ECOPRO VENT - 8" Inch Backdraft Damper For Straight Or Flex Duct. Bathroom Exhaust Fan. Kitchen Hood Exhaust Fan And Different Dryer Fan Backflow
Amazon.com
118
$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
$119.56
DAYTON 21"H-W 5 1/4"L Aluminum Backdraft Damper: For 18 in Fan, Single Panel, 21 in H, 21 in W, 3 in D Model: 3HHN7
Grainger
$119.56
DAYTON 21"H-W 5 1/4"L Aluminum Backdraft Damper: For 18 in Fan, Single Panel, 21 in H, 21 in W, 3 in D Model: 3HHN7
Grainger
$235.34
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
$235.34
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
$52.09
DAYTON 10.75"H-W 4.5"L Aluminum Backdraft Dampr: For 8 in Fan, Single Panel, 10 3/4 in H, 10 3/4 in W, Wall Model: 4HX72
Grainger
$52.09
DAYTON 10.75"H-W 4.5"L Aluminum Backdraft Dampr: For 8 in Fan, Single Panel, 10 3/4 in H, 10 3/4 in W, Wall Model: 4HX72
Grainger
$18.99
$20.99
MIVIDE 2Pack 4 Inch Backdraft Damper Duct, One Way Airflow Ducting Insert For Ducting In Range Hoods, Bathrooms Fans And Kitchen Fan
Amazon.com
52
$18.99
$20.99
MIVIDE 2Pack 4 Inch Backdraft Damper Duct, One Way Airflow Ducting Insert For Ducting In Range Hoods, Bathrooms Fans And Kitchen Fan
Amazon.com
52
$97.18
DAYTON 27"H-W 6"L Aluminum Wall Backdraft Dampr: For 24 in Fan, Single Panel, 27 in H, 27 in W, 2 1/4 in D Model: 2C523
Grainger
8
$97.18
DAYTON 27"H-W 6"L Aluminum Wall Backdraft Dampr: For 24 in Fan, Single Panel, 27 in H, 27 in W, 2 1/4 in D Model: 2C523
Grainger
8
$75.45
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
$75.45
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
$228.46
DAYTON 39"H-W 5.75"L Alu Wall Backdraft Dampr: For 36 in Fan, Single Panel, 39 in H, 39 in W, 2 1/2 in D Model: 4C521
Grainger
1
$228.46
DAYTON 39"H-W 5.75"L Alu Wall Backdraft Dampr: For 36 in Fan, Single Panel, 39 in H, 39 in W, 2 1/2 in D Model: 4C521
Grainger
1
$56.18
DAYTON 15"H-W 6"L Aluminum Wall Backdraft Dampr: For 12 in Fan, Single Panel, 15 in H, 15 in W, 2 1/4 in D Model: 2C518
Grainger
8
$56.18
DAYTON 15"H-W 6"L Aluminum Wall Backdraft Dampr: For 12 in Fan, Single Panel, 15 in H, 15 in W, 2 1/4 in D Model: 2C518
Grainger
8
$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
$90.94
DAYTON 19"H-W 5.75"L Alu Wall Backdraft Dampr: For 16 in Fan, Single Panel, 19 in H, 19 in W, 2 1/2 in D Model: 1C743
Grainger
$90.94
DAYTON 19"H-W 5.75"L Alu Wall Backdraft Dampr: For 16 in Fan, Single Panel, 19 in H, 19 in W, 2 1/2 in D Model: 1C743
Grainger
$9.67
4 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
108
$9.67
4 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
108
$82.95
DAYTON 23"H-W 6"L Aluminum Wall Backdraft Dampr: For 20 in Fan, Single Panel, 23 in H, 23 in W, 2 1/4 in D Model: 2C522
Grainger
7
$82.95
DAYTON 23"H-W 6"L Aluminum Wall Backdraft Dampr: For 20 in Fan, Single Panel, 23 in H, 23 in W, 2 1/4 in D Model: 2C522
Grainger
7
$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
$99.99
DAYTON 21"H-W 5.75"L Alu Wall Backdraft Dampr: For 18 in Fan, Single Panel, 21 in H, 21 in W, 2 1/2 in D Model: 1C744
Grainger
$99.99
DAYTON 21"H-W 5.75"L Alu Wall Backdraft Dampr: For 18 in Fan, Single Panel, 21 in H, 21 in W, 2 1/2 in D Model: 1C744
Grainger
$36.99
Therwen Backdraft Damper Duct Manual Volume Damper With Sleeve Galvanized Sheet Adjustment Airflow Ducting Branch HVAC Air Balancing For Range Hoods,
Amazon.com
3
Free shipping
$36.99
Therwen Backdraft Damper Duct Manual Volume Damper With Sleeve Galvanized Sheet Adjustment Airflow Ducting Branch HVAC Air Balancing For Range Hoods,
Amazon.com
3
$97.28
DAYTON 17.75"H-W 4.5"L Aluminum Backdraft Dampr: For 12 in Fan, Single Panel, 17 3/4 in H, 17 3/4 in W Model: 4HX77
Grainger
$97.28
DAYTON 17.75"H-W 4.5"L Aluminum Backdraft Dampr: For 12 in Fan, Single Panel, 17 3/4 in H, 17 3/4 in W Model: 4HX77
Grainger
$742.26
DAYTON 39"H-W 5 1/4"L SS Backdraft Dampr: For 36 in Fan, Double Panel, 39 in H, 39 in W, 2 in D, Horizontal Model: 4FZK1
Grainger
$742.26
DAYTON 39"H-W 5 1/4"L SS Backdraft Dampr: For 36 in Fan, Double Panel, 39 in H, 39 in W, 2 in D, Horizontal Model: 4FZK1
Grainger
$812.96
DAYTON 57"H-W 6 1/4"L Extrd Alu Backdraft Dampr: For 54 in Fan, Double Panel, 57 in H, 57 in W, 3 in D Model: 45C662
Grainger
$812.96
DAYTON 57"H-W 6 1/4"L Extrd Alu Backdraft Dampr: For 54 in Fan, Double Panel, 57 in H, 57 in W, 3 in D Model: 45C662
Grainger
$120.89
DAYTON 25"H-W 5.75"L Alu Wall Backdraft Dampr: For 20 in Fan, Single Panel, 25 in H, 25 in W, 2 1/2 in D Model: 53DR11
Grainger
$120.89
DAYTON 25"H-W 5.75"L Alu Wall Backdraft Dampr: For 20 in Fan, Single Panel, 25 in H, 25 in W, 2 1/2 in D Model: 53DR11
Grainger
$217.43
DAYTON 41"H-W 4.5"L Aluminum Backdraft Damper: For 36 in Fan, Single Panel, 41 in H, 41 in W, 2 in D, Felt Model: 4HX70
Grainger
$217.43
DAYTON 41"H-W 4.5"L Aluminum Backdraft Damper: For 36 in Fan, Single Panel, 41 in H, 41 in W, 2 in D, Felt Model: 4HX70
Grainger
$225.57
DAYTON 26"H-W Alu Universal Backdraft Dampr: For 24 in Fan, Single Panel, 26 in H, 26 in W, 1 5/8 in D Model: 4C224
Grainger
$225.57
DAYTON 26"H-W Alu Universal Backdraft Dampr: For 24 in Fan, Single Panel, 26 in H, 26 in W, 1 5/8 in D Model: 4C224
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
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Shop fan array backdraft damper

Sponsored
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$30.99
Copkim 4 Pcs Backdraft Damper One Way Airflow Dryer Vent Backflow Preventer Duct Draft Stopper Inline Fan Vent Deflector With 2 Spring Loaded Folding
Amazon.com
7
$30.99
Copkim 4 Pcs Backdraft Damper One Way Airflow Dryer Vent Backflow Preventer Duct Draft Stopper Inline Fan Vent Deflector With 2 Spring Loaded Folding
Amazon.com
7
$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
1
$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
1
$291.24
DAYTON 32.75"H-W Alu Universal Backdraft Dampr: For 30 in Fan, Single Panel, 32 3/4 in H, 32 3/4 in W, Felt Model: 3HHT1
Grainger
$291.24
DAYTON 32.75"H-W Alu Universal Backdraft Dampr: For 30 in Fan, Single Panel, 32 3/4 in H, 32 3/4 in W, Felt Model: 3HHT1
Grainger
$19.77
$21.99
2 Pcs 4 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
807
10% off
$19.77
$21.99
2 Pcs 4 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
807
$554.10
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
$554.10
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
$141.99
DAYTON 22.75"H-W 4.5"L Aluminum Backdraft Dampr: For 20 in Fan, Single Panel, 22 3/4 in H, 22 3/4 in W Model: 5NKN5
Grainger
$141.99
DAYTON 22.75"H-W 4.5"L Aluminum Backdraft Dampr: For 20 in Fan, Single Panel, 22 3/4 in H, 22 3/4 in W Model: 5NKN5
Grainger
$269.87
DAYTON 15"H-W 5 1/4"L SS Backdraft Dampr: For 12 in Fan, Single Panel, 15 in H, 15 in W, 2 in D, Horizontal Model: 4FZJ4
Grainger
$269.87
DAYTON 15"H-W 5 1/4"L SS Backdraft Dampr: For 12 in Fan, Single Panel, 15 in H, 15 in W, 2 in D, Horizontal Model: 4FZJ4
Grainger
$16.98
$19.99
8 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
6
15% off
$16.98
$19.99
8 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
6
$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
$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
$13.99
$14.99
6 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
668
$13.99
$14.99
6 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
668
$87.90
DAYTON 15.75"H-W 4.5"L Aluminum Backdraft Dampr: For 12 in Fan, Single Panel, 15 3/4 in H, 15 3/4 in W Model: 4HX75
Grainger
$87.90
DAYTON 15.75"H-W 4.5"L Aluminum Backdraft Dampr: For 12 in Fan, Single Panel, 15 3/4 in H, 15 3/4 in W Model: 4HX75
Grainger
$23.90
ECOPRO VENT - 8" Inch Backdraft Damper For Straight Or Flex Duct. Bathroom Exhaust Fan. Kitchen Hood Exhaust Fan And Different Dryer Fan Backflow
Amazon.com
118
$23.90
ECOPRO VENT - 8" Inch Backdraft Damper For Straight Or Flex Duct. Bathroom Exhaust Fan. Kitchen Hood Exhaust Fan And Different Dryer Fan Backflow
Amazon.com
118
$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
$119.56
DAYTON 21"H-W 5 1/4"L Aluminum Backdraft Damper: For 18 in Fan, Single Panel, 21 in H, 21 in W, 3 in D Model: 3HHN7
Grainger
$119.56
DAYTON 21"H-W 5 1/4"L Aluminum Backdraft Damper: For 18 in Fan, Single Panel, 21 in H, 21 in W, 3 in D Model: 3HHN7
Grainger
$235.34
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
$235.34
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
$52.09
DAYTON 10.75"H-W 4.5"L Aluminum Backdraft Dampr: For 8 in Fan, Single Panel, 10 3/4 in H, 10 3/4 in W, Wall Model: 4HX72
Grainger
$52.09
DAYTON 10.75"H-W 4.5"L Aluminum Backdraft Dampr: For 8 in Fan, Single Panel, 10 3/4 in H, 10 3/4 in W, Wall Model: 4HX72
Grainger
$18.99
$20.99
MIVIDE 2Pack 4 Inch Backdraft Damper Duct, One Way Airflow Ducting Insert For Ducting In Range Hoods, Bathrooms Fans And Kitchen Fan
Amazon.com
52
$18.99
$20.99
MIVIDE 2Pack 4 Inch Backdraft Damper Duct, One Way Airflow Ducting Insert For Ducting In Range Hoods, Bathrooms Fans And Kitchen Fan
Amazon.com
52