DDRD-08 8" Series Barometric Relief Damper – Adjustable Airflow, Easy Installation, Low-Cost Solution

Adjustable Weighted Arm: Customize airflow resistance with the adjustable arm, allowing precise control over airflow. Application: Residential and light commercial zoning systems 5 ton and under. Longer Arms for Better Adjustment: Features longer arms than standard models for enhanced airflow control. Extra Weights Available: For even more precise adjustments, extra weights can be added. Easy Installation: Compatible with both flexible and rigid duct systems with starting collars for quick and hassle-free installation.