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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    4.1 ★★★★★
    Based on 27 reviews
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    E
    Verified Purchase
    emily
    Bozeman, US
    ★★★★★ 5
    Best sublimation tape
    Number of Items: 4
    This is the best sublimation heat tape I have found. I started buying bigger rolls of it as I bought these smaller rolls when I first started. Stick and hold good works well
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on February 4, 2026
    G
    Verified Purchase
    G Money
    Port Orchard, US
    ★★★★★ 5
    Reliable Product
    Number of Items: 4
    Tape works great with no residue or coloring left behind after heating. Just wish there was more to each roll.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 11, 2026
    A
    Verified Purchase
    Arie Thompson
    Whiting, US
    ★★★★★ 4
    Residue free, Long lasting
    Number of Items: 2
    Works pretty good, it sticks to polo tshirt polyester material better than the inside of fleece hoodies. One roll lasts me for a bunch of clothing pieces. The tape didn’t leave any residue on clothing.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on April 13, 2026
    D
    Verified Purchase
    Deanna Frederiksen
    Carnegie, US
    ★★★★★ 5
    Love this tape
    Number of Items: 4
    Love this tape! It's a nice width and sticks great. Super awesome price and I will order again!
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on March 18, 2026
    L
    Verified Purchase
    Lisa Smith Killeen, CTA
    Boise, US
    ★★★★★ 5
    Great Tape
    Number of Items: 4
    Great tape for sublimating.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on April 27, 2026

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