6 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector

Description

🌬️ Seal the deal on fresh airflow—ditch drafts, keep comfort in!

This 6-inch backdraft damper, crafted from galvanized steel with aluminum flaps, is designed to prevent reverse airflow in ventilation systems. Easy to install in standard ducts, it enhances HVAC efficiency by stopping air recirculation when fans are off. Suitable for a wide range of residential and commercial ventilation applications, it features a spring-loaded flap for optimal sealing and quiet operation.