BMF series box-type motor fans feature direct-driven motors, galvanized steel construction, and single-speed operation. Available in four sizes, they deliver 1200–6300 m³/h airflow and up to 650 Pa pressure for air purification and ventilation.

Regular box sizes：

7-7: 480*480*480 mm

9-9: 580*580*580 mm

10-10: 580*580*580 mm

12-12: 680*680*680 mm