Back Draft Damper - 8 Inch wpg-only Controller Height: 3

Controller Height: 3

For system fit

The handle design is built around comfort and control: comfortable ergonomic handles are described as reducing hand stress and improving control

Because the action is mechanical

a brass ball valve

Back Draft Damper - 8 Inch wpg-only Controller Height: 3Back Draft Damper is a galvanized ventilation damper for ducted fan systems, designed to help block reverse airflow and reduce air leakage during fan downtime. Built as a backdraft damper for ventilation ducting, its a straightforward airflow control component for growers and gardeners who rely on consistent air exchange. In spaces where air movement drives comfort and stability, unwanted reverse airflow can pull stale or outside air back through the