The Elta STDL150-1EC is a 150mm twin centrifugal box fan equipped with an energy-efficient EC motor. It is part of a series that includes seven standard sizes ranging from 125mm to 500mm. This fan offers airflow rates up to 1.740 m³/s and static pressures of up to 730 Pa. Suitable for operating temperatures up to +60°C, it features a redesigned casing to enhance airflow and reduce specific fan power consumption. The unit includes an auto changeover panel and is internally acoustically lined to limit breakout noise. Optional spigot types are available to suit different installation requirements. The STDL150-1EC is designed to deliver effective, low-energy ventilation.