The Elta SMB500/4 – 1AC is a robust 500mm multiflow box fan designed for efficient air handling in commercial and industrial settings. Powered by a 4‑pole, single-phase AC motor, it delivers air volume flow rates up to 4.07 m³/s and handles static pressures up to 796 Pa. Suitable for operating temperatures up to +60°C, this fan is ideal for applications requiring reliable airflow and moderate pressure capabilities within confined or ducted systems.