The BIFA Three Phase 4 Pole 16° 315mm bifurcated case axial fan delivers reliable and efficient performance for commercial ventilation systems. Offered in sizes 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 regulation is achievable via transformer or inverter when the air temperature does not exceed 60°C. The fan comes with an IP55 terminal box for secure electrical connections and is suitable for environments with relative humidity up to 95%. Manufactured in compliance with BS EN ISO 9001:2015 and performance-tested to BS 848 parts 1 and 2 as well as ISO 5801, it ensures consistent and dependable airflow. The unit is supported by a 2‑year guarantee, providing long-term reliability for commercial applications.