HVAC Duct Manual Volume Backdraft Damper with Adjustment Handle
Ace Crew's Heavy-Duty Manual Vent Dampers are durable and adjustable for controlling airflow and preventing backdraft in HVAC systems.
- The description claims the dampers provide exceptional performance in tough environments.
- The description claims the flap blade provides a tight seal.
- The description claims the damper sleeve can control room temperature and prevent backdraft.