Back Draft Damper - 10 Inch

Back 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, it’s 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 duct line. This back draft damper is designed to limit that backflow, helping keep airflow moving in the intended direction. By reducing air leakage when the fan is off, it supports steadier airflow performance and can help keep your fan system operating more efficiently.

The construction is built around durability. Back Draft Damper is made from galvanized steel, with a rust-resistant build intended for a long lifespan. That makes it a practical ventilation ducting accessory in environments where equipment cycles between active ventilation and downtime, while still needing reliable airflow control when the system isn’t running.

This damper also supports cleaner air movement through the system by helping reduce the chance of outside air drifting back through the ducting. For growers using ventilation to manage temperature and humidity, that matters because even small changes in airflow direction can affect how stable a room feels over the day. The end result is a simple, check-style airflow control point that supports efficiency and helps maintain high air quality in active grow spaces.

Back Draft Damper is a good fit for anyone running a fan-driven air-exchange system who wants a durable galvanized ventilation component that helps reduce backdrafts, limits unwanted reverse airflow, and reduces air leakage when fans aren’t operating. If your goal is steadier airflow performance without adding complexity, this backdraft damper for ventilation ducting is built for that role.

Product benefits: System Efficiency; Consistent Performance; Durable; Long-Lasting; Indoor.