The Elta STDL200-1EC is a 200mm twin centrifugal box fan designed for energy-efficient ventilation with minimal noise output. Part of a series featuring seven standard sizes from 125mm to 500mm, this model provides airflow rates up to 1.740 m³/s and static pressures reaching 730 Pa. It supports operating temperatures up to +60°C. The casing has been redesigned to optimize airflow and reduce specific fan power consumption. Standard features include an auto changeover panel and internal acoustic lining to suppress breakout noise. Optional spigot configurations are available for flexible system integration. The STDL200-1EC delivers dependable, low-energy performance for a range of ventilation needs.