8” HVAC Duct Manual Volume Backdraft Damper with Adjustment Handle
Ace Crew's Heavy-Duty Manual Vent Dampers are made from durable materials and designed for reliable airflow adjustment in tough environments.
- The description claims the damper provides exceptional performance in tough environments.
- The description claims the damper sleeve offers a tight seal and prevents leaks.
- The description claims the damper allows manual airflow adjustment for controlling room temperature.