The BIFA 1000mm Three Phase 4 Pole 18° Fan (Stock Ref. BIFA1003418) is a robust bifurcated axial fan engineered for demanding commercial and industrial ventilation applications. Suitable for fan sizes from 250mm to 1000mm diameter, it features an IP55-protected motor with Class F insulation, capable of continuous operation at ambient temperatures up to 200°C. When the air temperature is 60°C or below, the fan allows for speed control via transformer or inverter. Designed to withstand up to 95% relative humidity, it is built to last in tough environments. Manufactured to BS EN ISO 9001:2015 quality standards and performance-tested to BS 848 Parts 1 & 2 and ISO 5801, this model delivers reliable airflow and long-term durability. Backed by a 2‑year guarantee, it’s the ideal choice for high-performance ventilation systems.