Shop backdraft damper for bathroom fans

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$394.99
Panasonic 380 CFM Whisperceiling Bath Fan With Built-In Backdraft Damper - FV-40VQ4
Ferguson Home
74
$394.99
Panasonic 380 CFM Whisperceiling Bath Fan With Built-In Backdraft Damper - FV-40VQ4
Ferguson Home
74
$68.85
Soler And Palau 50 CFM 2 Sone Ceiling Mounted HVI Certified Bath Fan With Built-In Backdraft Damper - PCV50
Ferguson Home
$68.85
Soler And Palau 50 CFM 2 Sone Ceiling Mounted HVI Certified Bath Fan With Built-In Backdraft Damper - PCV50
Ferguson Home
$14.99
$17.98
6 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
864
16% off
$14.99
$17.98
6 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
864
$23.77
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
942
$23.77
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
942
$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
871
$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
871
$16.99
$19.99
8 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
548
15% off
$16.99
$19.99
8 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
548
$146.78
DAYTON 26"H-W Aluminum Spring Backdraft Damper: For 24 in Fan, Single Panel, 26 in H, 26 in W, 1 5/8 in D Model: 3HHR2
Grainger
1
$146.78
DAYTON 26"H-W Aluminum Spring Backdraft Damper: For 24 in Fan, Single Panel, 26 in H, 26 in W, 1 5/8 in D Model: 3HHR2
Grainger
1
$16.99
SOUJOY 2 Pack 4 Inch Backdraft Damper Duct, One-Way Airflow Duct Draft Stopper, Insert Backflow Preventer For Dryer, Ducting In Range Hoods, Bathrooms
Amazon.com
11
$16.99
SOUJOY 2 Pack 4 Inch Backdraft Damper Duct, One-Way Airflow Duct Draft Stopper, Insert Backflow Preventer For Dryer, Ducting In Range Hoods, Bathrooms
Amazon.com
11
$107.57
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
$107.57
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
$17.99
Fixirons 4" HVAC Duct Manual Volume Damper Metal Adjustment Airflow Ducting Backdraft Damper For Air Ventilation System HVAC
Amazon.com
$17.99
Fixirons 4" HVAC Duct Manual Volume Damper Metal Adjustment Airflow Ducting Backdraft Damper For Air Ventilation System HVAC
Amazon.com
$9.77
4 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
406
$9.77
4 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
406
$97.17
DAYTON 23"H-W 5.75"L Alu Wall Backdraft Dampr: For 20 in Fan, Single Panel, 23 in H, 23 in W, 2 1/2 in D Model: 1C745
Grainger
1
$97.17
DAYTON 23"H-W 5.75"L Alu Wall Backdraft Dampr: For 20 in Fan, Single Panel, 23 in H, 23 in W, 2 1/2 in D Model: 1C745
Grainger
1
$170.03
DAYTON 33.75"H-W 4.5"L Aluminum Backdraft Dampr: For 34 in Fan, For 34 in Nominal Duct Dia, Single Panel Model: 3HHL9
Grainger
$170.03
DAYTON 33.75"H-W 4.5"L Aluminum Backdraft Dampr: For 34 in Fan, For 34 in Nominal Duct Dia, Single Panel Model: 3HHL9
Grainger
$17.90
7 Inch Metal Backdraft Damper, Airflow Backflow Preventer Vent Draft Blocker Duct Connector For Kitchen Bathroom Exhaust Fan HVAC, Red | Harfington
harfington
$17.90
7 Inch Metal Backdraft Damper, Airflow Backflow Preventer Vent Draft Blocker Duct Connector For Kitchen Bathroom Exhaust Fan HVAC, Red | Harfington
harfington
$135.44
DAYTON 29.75"H-W 4.5"L Aluminum Backdraft Dampr: For 30 in Fan, For 30 in Nominal Duct Dia, Single Panel Model: 3HHL8
Grainger
$135.44
DAYTON 29.75"H-W 4.5"L Aluminum Backdraft Dampr: For 30 in Fan, For 30 in Nominal Duct Dia, Single Panel Model: 3HHL8
Grainger
$25.99
PATIKIL 4 Inch Backdraft Damper, 2Pcs PVC Ducting Hose Airflow Insert Backflow Preventer Shutter, One-Way Draft Stopper For Kitchen Bathroom Exhaust
Amazon.com
$25.99
PATIKIL 4 Inch Backdraft Damper, 2Pcs PVC Ducting Hose Airflow Insert Backflow Preventer Shutter, One-Way Draft Stopper For Kitchen Bathroom Exhaust
Amazon.com
$17.99
$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
14% off
$17.99
$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
$24.98
$29.99
Kikerike 10 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
572
16% off
$24.98
$29.99
Kikerike 10 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
572
$8.77
Backdraft Damper, Metal HVAC Ducting Insert Backflow Preventer Draft Blocker Duct Adaptor For Kitchen Bathroom Exhaust Fan | Harfington
harfington
$8.77
Backdraft Damper, Metal HVAC Ducting Insert Backflow Preventer Draft Blocker Duct Adaptor For Kitchen Bathroom Exhaust Fan | Harfington
harfington
$9.57
4 Inch Backdraft Damper, Stainless Steel Flexible Airflow Ducting Insert Backflow Preventer Draft Blocker For Kitchen Bathroom Exhaust Fan, Silver |
harfington
$9.57
4 Inch Backdraft Damper, Stainless Steel Flexible Airflow Ducting Insert Backflow Preventer Draft Blocker For Kitchen Bathroom Exhaust Fan, Silver |
harfington
$46.00
12-3/8 in. Galvanized Back-Draft Damper With Rubber Seal
Home Depot
319
Free shipping
$46.00
12-3/8 in. Galvanized Back-Draft Damper With Rubber Seal
Home Depot
319
$99.99
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
$99.99
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
$264.28
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
$264.28
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
$30.29
PATIKIL HVAC Duct Manual Volume Backdraft Damper, 6 Inch/150Mm, Airflow Ducting Branch Vent Damper Air Control Valve, Adjustment Handle Stainless
Amazon.com
33
$30.29
PATIKIL HVAC Duct Manual Volume Backdraft Damper, 6 Inch/150Mm, Airflow Ducting Branch Vent Damper Air Control Valve, Adjustment Handle Stainless
Amazon.com
33
$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
$92.83
DAYTON 23.75"H-W 4.5"L Alu Univ Backdraft Dampr: For 24 in Fan, For 24 in Nominal Duct Dia, Single Panel Model: 2FTV7
Grainger
$92.83
DAYTON 23.75"H-W 4.5"L Alu Univ Backdraft Dampr: For 24 in Fan, For 24 in Nominal Duct Dia, Single Panel Model: 2FTV7
Grainger
$83.51
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
$83.51
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
$49.99
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
$49.99
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
$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
$90.72
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
$90.72
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
$139.89
DAYTON 33"H-W 5 3/4"L Alu Wall Backdraft Damper: For 30 in Fan, Single Panel, 33 in H, 33 in W, 2 1/2 in D Model: 1C055
Grainger
$139.89
DAYTON 33"H-W 5 3/4"L Alu Wall Backdraft Damper: For 30 in Fan, Single Panel, 33 in H, 33 in W, 2 1/2 in D Model: 1C055
Grainger
$15.87
6" Backdraft Damper, 1 Set Stainless Steel Airflow Ducting Insert Backflow Preventer Draft Blocker With Clamps For Kitchen Bathroom Exhaust Fan |
harfington
$15.87
6" Backdraft Damper, 1 Set Stainless Steel Airflow Ducting Insert Backflow Preventer Draft Blocker With Clamps For Kitchen Bathroom Exhaust Fan |
harfington
$204.69
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
$204.69
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
$28.63
Premium 4 in. Back Draft Damper
Home Depot
2
Free shipping
$28.63
Premium 4 in. Back Draft Damper
Home Depot
2
$244.89
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
$244.89
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
$13.70
4" Backdraft Damper, 1 Set Stainless Steel Airflow Ducting Insert Backflow Preventer Draft Blocker With Clamps For Kitchen Bathroom Exhaust Fan |
harfington
$13.70
4" Backdraft Damper, 1 Set Stainless Steel Airflow Ducting Insert Backflow Preventer Draft Blocker With Clamps For Kitchen Bathroom Exhaust Fan |
harfington
How a Backdraft Damper Works on a Bath Fan - #diy #bathroomremodel #diy
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Shop backdraft damper for bathroom fans

Sponsored
About our ads
$394.99
Panasonic 380 CFM Whisperceiling Bath Fan With Built-In Backdraft Damper - FV-40VQ4
Ferguson Home
74
$394.99
Panasonic 380 CFM Whisperceiling Bath Fan With Built-In Backdraft Damper - FV-40VQ4
Ferguson Home
74
$68.85
Soler And Palau 50 CFM 2 Sone Ceiling Mounted HVI Certified Bath Fan With Built-In Backdraft Damper - PCV50
Ferguson Home
$68.85
Soler And Palau 50 CFM 2 Sone Ceiling Mounted HVI Certified Bath Fan With Built-In Backdraft Damper - PCV50
Ferguson Home
$14.99
$17.98
6 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
864
16% off
$14.99
$17.98
6 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
864
$23.77
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
942
$23.77
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
942
$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
871
$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
871
$16.99
$19.99
8 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
548
15% off
$16.99
$19.99
8 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
548
$146.78
DAYTON 26"H-W Aluminum Spring Backdraft Damper: For 24 in Fan, Single Panel, 26 in H, 26 in W, 1 5/8 in D Model: 3HHR2
Grainger
1
$146.78
DAYTON 26"H-W Aluminum Spring Backdraft Damper: For 24 in Fan, Single Panel, 26 in H, 26 in W, 1 5/8 in D Model: 3HHR2
Grainger
1
$16.99
SOUJOY 2 Pack 4 Inch Backdraft Damper Duct, One-Way Airflow Duct Draft Stopper, Insert Backflow Preventer For Dryer, Ducting In Range Hoods, Bathrooms
Amazon.com
11
$16.99
SOUJOY 2 Pack 4 Inch Backdraft Damper Duct, One-Way Airflow Duct Draft Stopper, Insert Backflow Preventer For Dryer, Ducting In Range Hoods, Bathrooms
Amazon.com
11
$107.57
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
$107.57
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
$17.99
Fixirons 4" HVAC Duct Manual Volume Damper Metal Adjustment Airflow Ducting Backdraft Damper For Air Ventilation System HVAC
Amazon.com
$17.99
Fixirons 4" HVAC Duct Manual Volume Damper Metal Adjustment Airflow Ducting Backdraft Damper For Air Ventilation System HVAC
Amazon.com
$9.77
4 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
406
$9.77
4 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
406
$97.17
DAYTON 23"H-W 5.75"L Alu Wall Backdraft Dampr: For 20 in Fan, Single Panel, 23 in H, 23 in W, 2 1/2 in D Model: 1C745
Grainger
1
$97.17
DAYTON 23"H-W 5.75"L Alu Wall Backdraft Dampr: For 20 in Fan, Single Panel, 23 in H, 23 in W, 2 1/2 in D Model: 1C745
Grainger
1
$170.03
DAYTON 33.75"H-W 4.5"L Aluminum Backdraft Dampr: For 34 in Fan, For 34 in Nominal Duct Dia, Single Panel Model: 3HHL9
Grainger
$170.03
DAYTON 33.75"H-W 4.5"L Aluminum Backdraft Dampr: For 34 in Fan, For 34 in Nominal Duct Dia, Single Panel Model: 3HHL9
Grainger
$17.90
7 Inch Metal Backdraft Damper, Airflow Backflow Preventer Vent Draft Blocker Duct Connector For Kitchen Bathroom Exhaust Fan HVAC, Red | Harfington
harfington
$17.90
7 Inch Metal Backdraft Damper, Airflow Backflow Preventer Vent Draft Blocker Duct Connector For Kitchen Bathroom Exhaust Fan HVAC, Red | Harfington
harfington
$135.44
DAYTON 29.75"H-W 4.5"L Aluminum Backdraft Dampr: For 30 in Fan, For 30 in Nominal Duct Dia, Single Panel Model: 3HHL8
Grainger
$135.44
DAYTON 29.75"H-W 4.5"L Aluminum Backdraft Dampr: For 30 in Fan, For 30 in Nominal Duct Dia, Single Panel Model: 3HHL8
Grainger
$25.99
PATIKIL 4 Inch Backdraft Damper, 2Pcs PVC Ducting Hose Airflow Insert Backflow Preventer Shutter, One-Way Draft Stopper For Kitchen Bathroom Exhaust
Amazon.com
$25.99
PATIKIL 4 Inch Backdraft Damper, 2Pcs PVC Ducting Hose Airflow Insert Backflow Preventer Shutter, One-Way Draft Stopper For Kitchen Bathroom Exhaust
Amazon.com
$17.99
$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
14% off
$17.99
$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
$24.98
$29.99
Kikerike 10 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
572
16% off
$24.98
$29.99
Kikerike 10 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
572