The Elta SSDL315-1EC‑R is a Singleflow centrifugal box fan designed with a right-hand discharge, ideal for external mounting ventilation systems. It features a 315mm spigot and is driven by a 1‑phase EC motor that enables efficient energy use and variable speed control. This fan delivers air volume flow rates up to 1.820 m³/s and can handle static pressures up to 910 Pa, suitable for a wide range of ventilation requirements. It includes standard acoustic lining to reduce noise levels and operates reliably at temperatures up to +60°C. The fan also offers configurability with optional terminal boxes and spigot types to fit different installation needs, making it a flexible and quiet ventilation solution.