The 400mm Electric Portable Blower Fan with Ducting is a complete industrial ventilation system designed to provide efficient airflow in confined spaces and hazardous work environments. Equipped with a high-capacity 400mm blower and a flexible ducting system, it effectively removes smoke, fumes, dust, heat and harmful gases while supplying fresh air where needed. Manufactured from durable industrial-grade materials, it offers excellent portability, reliability and long service life. Suitable for shipyards, construction projects, chemical plants, tunnels, warehouses, maintenance operations and manufacturing facilities, this blower system enhances worker safety while ensuring efficient and dependable ventilation performance in demanding industrial applications.