The BIFA Three Phase 4 Pole 14° 315mm bifurcated case axial fan is built for reliable and efficient commercial ventilation. Available in diameters ranging from 250mm to 1000mm, it incorporates an IP55-protected motor with Class ‘F’ insulation, capable of operating in ambient temperatures up to 200°C. Speed adjustment is possible via transformer or inverter when ambient air temperatures do not exceed 60°C. The fan includes an IP55 terminal box for safe electrical connections and is suitable for areas with relative humidity up to 95%. Constructed to BS EN ISO 9001:2015 standards and tested to BS 848 parts 1 and 2 as well as ISO 5801, it guarantees consistent airflow performance. A 2‑year guarantee provides added assurance for commercial installations.