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Ventilation Backdraft Dampers

Ventilation backdraft dampers play a crucial role in maintaining efficient airflow and energy management in residential and commercial spaces. Designed to help prevent unwanted air movement, these essential components support the overall performance of your ventilation system. Browse a wide selection of ventilation backdraft dampers to find the right fit for your project and ensure optimal indoor air quality and comfort.

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  1. Zephyr - Duct 7 In. Round In-Line Damper for Range Hood - Silver

    SKU: JX35LVT87K

    Product Description

    A durable silver steel in-line damper that prevents backdrafts in compatible range hood exhaust systems.
    See all Range Hood Parts & Accessories
    Your price for this item is $27.99

  2. Zephyr - Duct 7 In. Round Exhaust Cap with Damper & Bird Screen for Range Hood - Silver

    SKU: JX35LVT83G

    Product Description

    A silver galvanized steel exhaust cap with damper and bird screen prevents backdrafts and animal entry.
    See all Range Hood Parts & Accessories
    Your price for this item is $49.99

  3. Zephyr - Duct 6 In. Round In-Line Damper for Range Hood - Silver

    SKU: JX35LVT87C

    Product Description

    A durable silver steel in-line damper that prevents backdrafts in compatible range hood exhaust systems.
    See all Range Hood Parts & Accessories
    Your price for this item is $39.99

  4. Zephyr - Duct 8 In. Round Exhaust Cap with Damper & Bird Screen for Range Hood - Silver

    SKU: JX35LVT83V

    Product Description

    A silver galvanized steel exhaust cap with damper and bird screen prevents backdrafts and animal entry.
    See all Range Hood Parts & Accessories
    Your price for this item is $59.99

  5. Viking - Automatic Make-Up Air Damper for Professional 5 Series VDD5300SS and VDD5360SS Hoods - Gray

    SKU: J38CVCJ27F

    Product Description

    A gray automatic air damper that circulates fresh air and exhausts odors for a comfortable kitchen.
    See all Range Hood Parts & Accessories
    Your price for this item is $389.00

  6. Viking - Automatic Make-Up Air Damper for Professional 5 Series VDD5300SS and VDD5360SS Hoods - Gray

    SKU: J38CVCJ278

    Product Description

    An automatic gray damper that enhances kitchen ventilation by supplying fresh air when your range hood operates.
    See all Range Hood Parts & Accessories
    Your price for this item is $349.00

  7. Zephyr - Duct 8 In. Round In-Line Damper for Range Hood - Silver

    SKU: JX35LVT8JJ

    Product Description

    A durable silver steel in-line damper that prevents backdrafts in compatible range hood duct systems.
    See all Range Hood Parts & Accessories
    Your price for this item is $39.99

  8. Zephyr - Duct 7 in. Low-Profile Round Damper with Collar for Range Hood - White

    SKU: JX35LVTPJR

    Product Description

    A white, low-profile steel damper with collar prevents backdrafts in compatible range hood duct systems.
    See all Range Hood Parts & Accessories
    Your price for this item is $19.99

  9. Zephyr - Duct 6 in. Low-Profile Round Damper with Collar for Range Hood - White

    SKU: JX35LVTP75

    Product Description

    A white, low-profile steel damper with collar that prevents backdraft in compatible range hood ducts.
    See all Range Hood Parts & Accessories
    Your price for this item is $19.99

  10. Zephyr - Duct 6 In. Universal Make-Up Air Damper Kit for Range Hood - Silver

    SKU: JX35LVTX9F

    Product Description

    A universal 6-inch silver steel damper kit that balances home air pressure for compatible range hoods.
    See all Range Hood Parts & Accessories
    Your price for this item is $219.99
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In-store pricing may vary. Prices and offers are subject to change. © 2026 Best Buy. All rights reserved. BEST BUY, the BEST BUY logo, the tag design, and MY BEST BUY are trademarks of Best Buy and its affiliated companies.