4-Inch Circular Duct Backdraft Damper

SKU:
WBB3091018
Our Price:
$32.94
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Product Specifications:
Color/Finish: Silver
Country of Origin: US
Product Depth: 7.01"
Product Height: 5.98"
Product Type: Dampers
Product Width: 7.99"
Quantity Included: 1
Shipping Weight: 6 lbs
Manufacturer Part Number: 411112
Color: Silver
Length: 3-1/4 in
Weight: 0.6 lbs
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Minimum Purchase:
9 units
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Free Shipping on Qualifying Orders Over $99

Product Specifications:
Color/Finish: Silver
Country of Origin: US
Product Depth: 7.01"
Product Height: 5.98"
Product Type: Dampers
Product Width: 7.99"
Quantity Included: 1
Shipping Weight: 6 lbs
Manufacturer Part Number: 411112
Color: Silver
Length: 3-1/4 in
Weight: 0.6 lbs
Minimum Purchase:
9 units

This backdraft damper is designed for professionals installing or maintaining circular duct ventilation systems. It fits 4-inch circular ductwork and helps manage reverse airflow within the duct connection.

Constructed of galvanized sheet metal, this damper has two spring-loaded blades. It is sized for 4-inch circular ducts and can be installed in a vertical position. Overall dimensions are 7.01 inches wide, 7.99 inches deep, and 5.98 inches high.


Key Features:

  • 4-Inch Circular Duct Fit: Matches 4-inch circular duct connections for compatible ventilation-system installations.
  • Spring-Loaded Dual Blades: Provides blade operation designed to respond within the duct connection.
  • Galvanized Sheet Metal Construction: Provides a metal damper body for ductwork applications.
  • Vertical Mounting: Allows installation in a vertical orientation when required by the system layout.

Choose this damper for 4-inch circular duct systems where a galvanized, spring-loaded backdraft damper with vertical mounting capability is needed.

Color/Finish: Silver
Country of Origin: US
Product Depth: 7.01"
Product Height: 5.98"
Product Type: Dampers
Product Width: 7.99"
Quantity Included: 1
Shipping Weight: 6 lbs
Manufacturer Part Number: 411112
Color: Silver
Length: 3-1/4 in
Weight: 0.6 lbs
Diameter: 4 in
Brand: Fantech
Description: Back-Draft Damper For Circular Duct
Manufacturers Part Number: 411112
Material: Steel
Warranty: 5 yr
Width: 7.01 in
Height: 5.98 in
Depth: 7.99 in