The BIFA Three Phase 4 Pole 36-degree 900mm bifurcated axial fan delivers reliable performance for commercial ventilation applications. Suitable for diameters ranging from 250mm to 1000mm, it features an IP55-protected motor with Class ‘F’ insulation capable of handling ambient temperatures up to 200°C. The fan speed is adjustable via transformer or inverter when the surrounding air temperature does not exceed 60°C. Its IP55 terminal box ensures safe operation in environments with relative humidity levels up to 95%. Manufactured under BS EN ISO 9001:2015 standards and performance-tested to BS 848 parts 1,2 and ISO 5801, this fan includes a 2‑year guarantee for dependable, long-term use.