The LB Fans Long Cased Axial Fan LCA251425 is designed for compact commercial ventilation, featuring a single-phase 4‑pole motor with a 25° pitch. The motor is IP55 protected and Class F insulated, capable of reliable operation in ambient temperatures up to 54°C. Most models are speed controllable via transformer or inverter, providing flexible airflow management. The fan includes an IP55-rated terminal box and a polypropylene impeller that is factory set but fully adjustable. Suitable for environments with relative humidity levels up to 95%, this unit is manufactured in compliance with BS EN ISO 9001:2015 standards. Performance is tested to BS 848 Parts 1 & 2 and ISO 5801. Each model comes with a 2‑year guarantee, ensuring dependable and long-lasting performance.