The Elta SSDL150-1EC‑T is a top discharge centrifugal box fan from the Singleflow series, designed for external installations where quiet, energy-efficient airflow is essential. Featuring a 150mm spigot and a 1‑phase EC motor, this model supports variable speed control for precise ventilation performance. It delivers air volume flow rates up to 1.820 m³/s and can withstand static pressures up to 910 Pa. The fan is acoustically lined as standard to reduce noise output and is built to handle operating temperatures up to +60°C. Suitable for external mounting, the unit also offers flexible configuration options, including different spigot types and an optional terminal box. The SSDL150-1EC‑T is a reliable choice for compact, noise-sensitive ventilation systems.