Backdraft Damper (ABS, White, 3/5/6/8 inch)

Way Airflow Control
This white ABS backdraft damper ensures unidirectional airflow in duct systems, blocking reverse air, odors, or contaminants.

ABS Advantage
Lightweight, corrosion‑resistant, and impact‑resistant plastic for dependable HVAC system use.

Multiple Sizes
Available in 3, 5, 6, and 8 inch standard duct sizes.

Reliable Function
Internal flap closes when airflow stops, ensuring no backflow.

Application
Ideal for residential, commercial, and light industrial ventilation ducts.