Backdraft Damper

Backdraft Damper

A backdraft damper is a critical component for preventing reverse airflow and maintaining energy efficiency in HVAC systems. HONGUAN(Hon&Guan) backdraft dampers are designed for durability and performance, ensuring unidirectional airflow and protecting ventilation systems from unwanted backflow. Ideal for residential, commercial, and industrial applications.

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6 Inch Backdraft Damper for Range Hoods and Grow Tents with Aluminum Foil Tape – Anti-Reverse Airflow HVAC Vent Valve 6 Inch Backdraft Damper Size Diagram with 128mm Overall Length – Fits HVAC Ducting for Range Hoods and Grow Tents
6 Inch Backdraft Damper with Aluminum Foil Tape for Range Hoods & Grow Tents
$20.99
6 Inch Backdraft Damper for Range Hoods and Grow Tents with Aluminum Foil Tape – Anti-Reverse Airflow HVAC Vent Valve 6 Inch Backdraft Damper Size Diagram with 128mm Overall Length – Fits HVAC Ducting for Range Hoods and Grow Tents
8 Inch Backdraft Damper with Aluminum Foil Tape for Range Hoods & Grow Tents
$36.06
Hon&Guan 4-inch backdraft damper with galvanized steel body, rubber-sealed valve wings, and spring-loaded airflow control. Dimensions of Hon&Guan 4-inch backdraft damper with detailed measurements for HVAC and ducting systems.
4 Inch Backdraft Damper, One-Way Airflow Duct Damper, Ducting Insert Backflow Preventer Duct Draft Blocker(2 pcs)
$20.99
4 Inch Backdraft Damper with Aluminum Foil Tape – One-Way Airflow Vent Damper for Duct Fans, Range Hoods, and Grow Tents 6 Inch Backdraft Damper Size Diagram with 128mm Overall Length – Fits HVAC Ducting for Range Hoods and Grow Tents
4 Inch Backdraft Damper with Aluminum Foil Tape for Range Hoods & Grow Tents
$18.99
8 Inch Backdraft Damper by HON&GUAN – One-Way Airflow Ventilation Insert for Ducting Systems and Ventilation Fans HON&GUAN Backdraft Damper Available in 4, 6, 8, and 10 Inch Sizes – One-Way Ventilation Valve for Ventilation Fans
8 Inch Backdraft Damper[Upgraded], One-Way Airflow Duct Damper, Ducting Insert Backflow Preventer Duct Draft Blocker
$19.00
HONGUAN 6 Inch Backdraft Damper – Galvanized Steel One-Way Airflow Duct Blocker The HONGUAN backdraft damper is available in various sizes, including 4, 6, 8, and 10 inches.
6 Inch Backdraft Damper[Upgraded], One-Way Airflow Duct Damper, Ducting Insert Backflow Preventer Duct Draft Blocker
$17.99
HONGUAN 6 Inch Backdraft Damper – Galvanized Steel One-Way Airflow Duct Blocker HON&GUAN Backdraft Damper Available in 4, 6, 8, and 10 Inch Sizes – One-Way Ventilation Valve for Ventilation Fans
4 Inch Backdraft Damper[Upgraded], One-Way Airflow Duct Damper, Ducting Insert Backflow Preventer Duct Draft Blocker
$12.99

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