2 Pcs 4 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector - Black

Descripción

🌬️ Stop the backdraft, start the fresh airflow—because your space deserves the best!

This 2-pack of 4-inch backdraft dampers features a robust galvanized steel and aluminum design, engineered to prevent air backflow in ventilation systems. Easy to install by pushing into standard ducts, these dampers optimize airflow control for residential and commercial HVAC, exhaust, and ventilation applications, ensuring efficient, fresh air circulation while protecting your environment from unwanted drafts.