The Elta SQU67/450-EC‑1 is a high-efficiency centrifugal box fan from the Qube series, designed for mid-sized ventilation systems in commercial and industrial settings. With a 670mm box size and a single-phase EC motor, it provides energy-saving performance and smooth airflow control. Its modular construction includes interchangeable double-skinned panels and durable painted aluminium corners, allowing for easy configuration with either straight-through or 90° outlet airflow. Capable of operating in ambient airstream temperatures up to 50°C (or 40°C with 3‑phase EC motors), the SQU67/450-EC‑1 offers reliable performance and installation flexibility. It’s an ideal solution for applications requiring compact design, energy efficiency, and low noise.