A G.I. (Galvanized Iron) Round Damper is an important component used in HVAC systems and industrial ventilation applications to regulate and control airflow through circular ducting systems. Manufactured from high-quality galvanized iron, it offers excellent durability, corrosion resistance, and reliable performance in various operating conditions. The damper features an adjustable internal blade that allows users to control the volume of air passing through the duct, helping maintain balanced airflow and improve ventilation efficiency. Its sturdy construction and simple adjustment mechanism make installation and operation convenient. G.I. round dampers are commonly used in commercial buildings, offices, factories, hospitals, shopping malls, and industrial facilities for air conditioning, exhaust, and ventilation systems.