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.
HONGUAN 6 Inch Backdraft Damper: Upgraded Design with Increased 0.6mm Thickness and Two Concave Internal Pressure Ribs for Enhanced Structural Strength.
The HONGUAN 6 inch heavy duty backdraft damper features galvanized steel blades, an aluminum axle, a carbon steel spring, a rubber seal for 100% closure and quiet operation, durable galvanized steel construction, and two inward-facing pressure ribs.
HONGUAN 6 inch backdraft damper detail showing the spring-loaded mechanism.
The position of the spring should be vertical for horizontal installations.The backdraft damper is installed so that the damper blades open only in the outflowing air direction.
Professional spring loaded backdraft damper connector duct. The value wings open under the pressure created by the airflow and then automatically close with the spring work.
Wide range of usages: Our high-quality backdraft damper is designed to prevent reverse airflow at a static pressure,improving air quality in your house.

6 Inch Backdraft Damper[Upgraded], One-Way Airflow Duct Damper, Ducting Insert Backflow Preventer Duct Draft Blocker

$17.99
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