The BIFA Three Phase 4 Pole 20-degree 900mm bifurcated axial fan delivers dependable performance for commercial ventilation applications. Available in sizes from 250mm to 1000mm, it incorporates an IP55-rated motor with Class ‘F’ insulation capable of operating at ambient temperatures up to 200°C. Fan speed is adjustable via transformer or inverter when the ambient temperature is below 60°C. The IP55 terminal box provides secure protection, and the fan can operate effectively in environments with up to 95% relative humidity. Manufactured to BS EN ISO 9001:2015 standards and tested to BS 848 parts 1,2 and ISO 5801, this model is supplied with a 2‑year guarantee for long-term reliability.