The BIFA Three Phase 4 Pole 22° 315mm bifurcated case axial fan is designed for dependable commercial ventilation. Available in sizes ranging from 250mm to 1000mm diameter, it features an IP55-protected motor with Class ‘F’ insulation, capable of handling ambient temperatures up to 200°C. Speed adjustment is possible via transformer or inverter when air temperatures do not exceed 60°C. The fan includes an IP55 terminal box for secure electrical connections and is suitable for environments with relative humidity levels up to 95%. Manufactured in accordance with BS EN ISO 9001:2015 and performance-tested to BS 848 parts 1 and 2 as well as ISO 5801, it ensures consistent airflow. A 2‑year guarantee provides reliability and confidence for commercial installations.