SKU: 83575050009

AC Infinity Backdraft Damper Ducting Insert 4-Inch Black Galvanized

$36.89 $40.99
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Ships within 48 hours · Estimated delivery Jul 31 - Aug 5

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Description

AC Infinity Backdraft Damper Ducting Insert 4-Inch Black GalvanizedDescription An antidraft duct insert designed for use with range hoods, bathroom fans and other home HVAC applications. Features outer rubber gaskets that create an airtight seal and grip between the damper and ducts. Mounts horizontally or vertically to prevent backflow and debris from entering ducting. Galvanized steel body with spring loaded aluminum damper blades that open with minimal airflow. Fit for 4 in. Duct Openings Product Length: 5. 03

Description
  • An antidraft duct insert designed for use with range hoods, bathroom fans and other home HVAC applications.

  • Features outer rubber gaskets that create an airtight seal and grip between the damper and ducts.

  • Mounts horizontally or vertically to prevent backflow and debris from entering ducting.

  • Galvanized steel body with spring-loaded aluminum damper blades that open with minimal airflow.

  • Fit for 4 in. Duct Openings | Product Length: 5.03 inches | Finish: Powder Coat

  • Product Description: A ventilation ducting tool designed for insertion into 4" ducting to prevent cold drafts and debris from flowing into ventilation systems. Built to be embedded in ducts, the backdraft damper is made of sturdy galvanized steel and features two rings of outer rubber gaskets. This enables it to grip your ducting with an airtight seal in either a horizontal or vertical orientation. The butterfly damper blades are made of aluminum and are equipped with a light spring that folds with minimal airflow.

  • Applications: The spring-loaded antidraft damper is built for heavy-duty performance in applications like overhead range hoods in kitchens, bathroom fans and tumble dryers. It can be fully or partially inserted into your duct work using the rubber rings to hold itself in place. Other one-way airflow uses include keep pilot lights burning in water heaters and keeping debris from entering inline duct fans in grow tents.
    • Specifications
  • Product Identification
  • Manufacturer: AC Infinity Inc.
  • Product Name: Backdraft Damper, 4"
  • Product Model: AC-BDD4-B
  • UPC Code: 819137021303
  • Product and Mounting Dimensions
  • Duct Opening Size: 4"
  • Product Length: 5.03 in. (12.8 cm)
  • Whole Body Material: Steel
  • Shutter Material: Aluminum
  • Color: Black
  • Finish: Powder Coat
    • Shipping Notes
    • Free Standard Shipping on $100+ Orders to the USA.
    • Except Preorder products are shipped in 48 hours.
    • Delivery to the USA:
    1. Standard Shipping : 3-10 business days
    • If time is of the essence, please consider selecting expedited delivery for faster service.
    Exchange/Return Notes
    • We offer a 30-day return/exchange service after receiving.
    • Final sale items are not eligible for returns or exchanges.
    • To process your return/exchange, please contact us at [email protected]
    • Please click here for more details>>> Return & Exchange Policy
    SKU: 83575050009

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    Based on 23 reviews
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    Rick Nelson
    Massapequa, US
    ★★★★★ 5
    Solar powered
    Color: Green/Green
    Great watch for us older folks. The hands are large enough to see easily and the fact it is solar powered means batteries do not have to be replaced every year or two.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on February 22, 2026
    G
    Verified Purchase
    Gary Burton
    Battle Creek, US
    ★★★★★ 4
    Nice watch
    Color: Green/Green
    Very happy with my purchase, rated the purchase with 4 stars due to the band being very stiff, holds doesn't line up to fit wrist properly, don't recommend for seniors to purchase, very difficult to put on.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on January 6, 2026
    C
    Verified Purchase
    Clint Jesus Chavez Vasquez
    Chelsea, US
    ★★★★★ 5
    Bonito Timex
    Color: Green/Green
    Bueno, bonito y barato. El envío super rápido, 7 días. Perú 🇵🇪.
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    Reviewed in the United States on May 15, 2026
    J
    Verified Purchase
    Jesus F Su
    Charlottesville, US
    ★★★★★ 5
    It's a Solar timex.
    Color: Green/Green
    It's Solar. Light weight. Probably won't need a battery change for a long time. Takes a Lickin keeps on tickin.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on April 13, 2026
    A
    Verified Purchase
    Andrew Mc
    Draper, US
    ★★★★★ 5
    Amazing solar
    Color: Green/Green
    You will love it
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on April 21, 2026

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