The BIFA Single Phase 4 Pole 14° 400mm bifurcated case axial fan is designed for dependable operation in demanding commercial ventilation environments. Available in sizes ranging from 250mm to 1000mm, this fan features an IP55-protected motor with Class ‘F’ insulation to ensure durability and safety. It can operate in ambient temperatures up to 200°C and allows speed control via transformer or inverter where the air temperature does not exceed 60°C. The unit is supplied with an IP55 terminal box and is suitable for conditions with relative humidity up to 95%. Built to BS EN ISO 9001:2015 standards and tested in accordance with BS 848 parts 1,2 and ISO 5801, this fan provides certified reliability. Backed by a 2‑year guarantee, it offers long-lasting performance for commercial ventilation needs.