The Elta SQU67/450-EC‑3 is a compact and efficient centrifugal box fan from the Qube range, tailored for mid-sized industrial and commercial ventilation requirements. Featuring a 670mm box size and a 3‑phase EC motor, this unit ensures energy-efficient performance with variable speed control. Its modular design includes interchangeable double-skinned panels and robust painted aluminium corners, allowing for straightforward installation with either straight-through or 90° outlet airflow. The fan is suitable for ambient air temperatures up to 40°C when using a 3‑phase EC motor (50°C for AC versions). With its durable construction and flexible configuration, the SQU67/450-EC‑3 is an ideal solution for applications demanding quiet operation and consistent airflow.