The BIFA Three Phase 4 Pole 18-degree 800mm bifurcated axial fan provides efficient commercial ventilation across a wide range of applications. It is available in diameters from 250mm to 1000mm and features a motor protected to IP55 with Class ‘F’ insulation, suitable for maximum ambient temperatures of 200°C. Fan speed can be controlled using a transformer or inverter when ambient temperatures do not exceed 60°C. The fan includes an IP55-rated terminal box and is capable of operating in environments with up to 95% relative humidity. Manufactured to BS EN ISO 9001:2015 and tested in accordance with BS 848 parts 1,2 and ISO 5801, it is backed by a 2‑year guarantee for reliable, long-term performance.