The Elta SMB450/4 – 1AC is a 450mm mixed flow box fan designed for reliable air handling performance. Featuring a 4‑pole, single-phase AC motor, this multiflow fan achieves airflow rates up to 4.07 m³/s and static pressures of up to 796 Pa. It is suitable for use in environments with temperatures up to +60°C. The SMB450/4 – 1AC is ideal for ventilation systems requiring efficient airflow and consistent pressure control in various applications.