The Elta SQU67/500 – 4‑3 is a robust centrifugal box fan from the Qube series, designed to deliver high-performance airflow in commercial and industrial environments. With a 670mm box size and powered by a 4‑pole, 3‑phase AC motor, it ensures dependable ventilation performance. The unit features interchangeable double-skinned panels and painted aluminium corners, enabling flexible configuration with either straight-through airflow or a 90° outlet. Suitable for ambient airstream temperatures up to 50°C (or 40°C with 3‑phase EC motors), the SQU67/500 – 4‑3 combines durability with versatile installation options. It is available in both AC and EC variants to meet a range of application needs.