This 160 mm round backdraft damper is designed to facilitate smooth airflow while blocking reverse air, enabling effective ventilation and control. Key benefits - Prevents reverse airflow to improve ventilation efficiency and reduce drafts - Tool-free, quick installation into standard 160 mm round ducts - Compact round design suitable for tight spaces - Helps maintain a consistent, directed airflow for better system performance Compatibility and performance - Fits standard 160 mm round ducts - Supports reliable one-way flow and overall system control Applications - Ideal for fan ducts, piping runs, and various ventilation installations - Maintains the correct airflow direction in ductwork and ventilation assemblies Typical use scenarios - In residential or commercial ceiling or wall mounted exhaust ducts to prevent backflow when the fan is off - In long duct runs in industrial or commercial ventilation to preserve one-way flow - In air handling units and ducted ventilation systems to ensure consistent airflow direction