The Elta SH250-1LC centrifugal box fan is a versatile ventilation solution featuring a 250mm size with an energy-efficient EC motor. Available in six standard sizes from 100mm to 315mm, it delivers airflow rates up to 0.832 m³/s and static pressures reaching 451 Pa. Its redesigned casing optimizes airflow while minimizing specific fan power for improved energy efficiency. The fan is internally acoustically lined to reduce noise breakout, ensuring quiet operation. Suitable for external mounting and capable of functioning in temperatures up to +60°C, this model provides a low specific fan power solution ideal for a variety of ventilation needs