The Helios MV EC 250 is a high-performance inline pipe fan engineered for compact installations where strong airflow and static pressure are required. Its space-saving, swing-out design allows for efficient in-duct mounting, while the robust housing — made from impact- and corrosion-resistant light grey plastic — features an integrated mounting bracket for quick and easy ceiling or wall installation. Standard-sized inlet and outlet spigots ensure compatibility with existing ductwork. Maintenance is simple, as the fan unit and terminal box can be rotated or fully removed by loosening the clamping br