The BIFA Three Phase 4 Pole 26° 315mm bifurcated case axial fan is designed for efficient and reliable commercial ventilation. Offered in sizes from 250mm to 1000mm diameter, it incorporates an IP55-protected motor with Class ‘F’ insulation, suitable for maximum ambient temperatures of 200°C. Fan speed is adjustable via transformer or inverter, provided the air temperature does not exceed 60°C. An IP55 terminal box guarantees secure electrical connections, and the fan can operate in environments with up to 95% relative humidity. Manufactured under BS EN ISO 9001:2015 standards and performance-tested to BS 848 parts 1 and 2 and ISO 5801, it ensures consistent airflow. A 2‑year warranty adds confidence for commercial applications.