The Elta SMB700/4 – 3AC is a high-performance mixed flow box fan designed for effective ventilation in commercial and industrial environments. As part of the Multiflow series, this model features a 4‑pole, 3‑phase AC motor and is available in one of six standard sizes, ranging from 400mm to 700mm. It delivers air volume flow rates up to 4.07 m³/s and handles static pressures up to 796 Pa, making it suitable for high-resistance systems. Built to withstand operating temperatures up to +60°C, this unit provides reliable airflow and durability across a wide range of applications.