The Elta SMB450/4 – 3AC is a 450mm mixed flow box fan engineered for high-performance air movement. Equipped with a 4‑pole, three-phase AC motor, this multiflow fan offers airflow rates reaching 4.07 m³/s and static pressures up to 796 Pa. It is designed for operation in environments with temperatures up to +60°C, making it suitable for various commercial and industrial ventilation applications requiring reliable and consistent airflow.