Backdraft Damper (ABS, Grey, 3/4/6 inch)

Keep your ventilation system flowing in the right direction with confidence. The ABS Backdraft Damper is engineered to prevent reverse airflow, odor leakage, and unwanted particle backflow — ensuring cleaner, more efficient air circulation.

Made from high‑quality grey ABS plastic, this damper combines durability, light weight, and wear resistance, making it a dependable component for long‑term HVAC performance.

Available for 3‑inch, 4‑inch, and 6‑inch ducts, the damper’s built‑in flap mechanism automatically closes under reverse pressure, providing a quick, reliable seal every time.

Ideal for residential, commercial, and light industrial ventilation systems, the CHIC ABS Backdraft Damper delivers quiet efficiency and peace of mind—an essential detail that keeps your entire HVAC network performing at its best.