4 Inch Backdraft Damper, 2PCS Inline Springs Loaded Backflow Preventer Backflow Shutter, One-Way Airflow Ducting Insert for 4”Ducting in Range Hoods and Bathrooms Fans

★★★★★ 4.9 67 reviews

$90.00
Price when purchased online
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$90.00
Price when purchased online
Free shipping Free 30-day returns

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Product details

Management number 213616070 Release Date 2026/04/12 List Price $36.00 Model Number 213616070
Category
  • Size of Backdraft Damper - 4 inch/ 100mm in diameter, 3.5inch/ 88mm in length, 0.5MM/0.02 inch in thickness, 2 in package. Please confirm the size before purchase.
  • Durable & Premium - 4 backdraft damper is made of galvanized steel and the dryer vent valve flaps are made of aluminium the butterfly damper axis and spring are made of stainless steel.
  • Preventing Unwanted Drafts - 4inch backdraft damper opens and closes automatically to prevent backflow and debris from entering ducting.
  • Application Scenarios - 4 backdraft damper fit for 4" Duct Openings. Backdraft damper 4 inch designed for use with range hoods, bathroom fans and other home HVAC applications. Not for use in plastic ducts.
  • Easy to Installation - The 4 inch duct damper is installed by pushing it into the ventilation pipe as far as it will go. The position of the spring should be horizontal when the flap is installed horizontally so that it can be opened and closed optimally. This also applies to the vertical installation.
UPC 696629987305
Color silver
Style Modern
Material Stainless Steel
Room Type Bathroom
Brand Name YOUNTHYE
Model Name 4 Inch Backdraft Damper
Unit Count 2.0 Count
Finish Type Metallic
Is Electric No
Item Weight 0.28 Kilograms
Model Number WENCHENG-4ID
Power Source Battery Powered
Mounting Type Flush Mount
Blade Material Plastic
Control Method Touch
Item Type Name 4 Inch Backdraft Damper
Controller Type Button Control
Number of Blades 2
Electric Fan Design Exhaust Fan
Included Components 2 x 4 Inch Backdraft Damper
Is Product Cordless No
Indoor Outdoor Usage Indoor
Recommended Uses For Product Ventilating

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4.9 out of 5
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67 ratings | 27 reviews
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