The BIFA Three Phase 4 Pole 38-degree 900mm bifurcated axial fan is designed for high-performance commercial ventilation. Compatible with diameters from 250mm to 1000mm, it features an IP55-protected motor with Class ‘F’ insulation suitable for ambient temperatures up to 200°C. Fan speed can be controlled using a transformer or inverter when ambient air temperatures remain below 60°C. The IP55 terminal box ensures safe operation even in environments with up to 95% relative humidity. Manufactured according to BS EN ISO 9001:2015 standards and performance-tested to BS 848 parts 1,2 and ISO 5801, this fan comes with a 2‑year guarantee for reliable, long-term use.