The BIFA 315mm Single Phase 2 Pole 20° Fan (Stock Ref. BIFA311220) is a durable bifurcated case axial fan ideal for commercial and industrial ventilation applications. Suitable for fan sizes from 250mm to 1000mm, it features a Class F insulated motor with IP55 protection for reliable performance in demanding environments. The fan supports operation in ambient temperatures up to 200°C and is speed controllable via transformer or inverter when the ambient temperature is below 60°C. An IP55-rated terminal box ensures protection, and the fan can operate in environments with relative humidity up to 95% RH. Manufactured under BS EN ISO 9001:2015 and tested to BS 848 Parts 1 & 2 and ISO 5801, this fan guarantees consistent airflow and efficiency. It comes with a 2‑year guarantee, making it a trusted choice for continuous-duty commercial ventilation systems.