Vent Systems4'' Inch Backdraft Damper - Backflow Shutter - Heavy-Duty Inline Springs Loaded - One-Way Airflow Ducting Insert - Inline Fan Vent Deflector

Beschreibung

🌟 Seal the Deal on Comfort!

The Vent Systems 4'' Inch Backdraft Damper is a heavy-duty, one-way airflow solution designed for seamless integration into 4-inch ventilation ducts. With automatic operation, durable materials, and whisper-quiet performance, it effectively prevents backflow, ensuring your space remains comfortable and free from unwanted air intrusion.