The Elta 019‑0710-STD is a 710mm flanged damper engineered to prevent backflow of air when the fan is not operating, ensuring effective control of ventilation airflow. It is attached directly to the fan case flange for easy and secure installation. Manufactured from hot dip galvanised steel, the damper provides excellent resistance to corrosion and long service life. The butterfly blades are also made from galvanised steel, offering reliable operation and proper airflow regulation. This model supports both horizontal and vertical (upward airflow) mounting options, making it adaptable to various ventilation system requirements.