| Name | Spec |
| 50” box fan | 1,1kw foreign brand motor |
| 36” box fan | 0,4kw Chinese brand motor |
| Spare parts for 50” fan sealing | For steel structure wall |
| Spare parts for 36” fan sealing | For steel structure wall |
| Recirculation fan | 380V 50HZ 3p |
- Frame panel, shutter, and cone are with high anticorrosive material, hot galvanized material (275g/m2) or superdyma panel, anti-corrosive, with good appearance, and incomplete body stamping form.
- Detachable shutter body, with easier installation and maintenance.
- Cross-type blade support, with a more reliable fan.
- Axial-flow Ventilation Fan with Centrifugal system
- Centrifugal system can open the shutter automatically with power on. Smooth operation, low noise, and consistent airflow.
- When power is off, shutters close under the action of gravity and spring. Shutter pieces close tightly with a good sealing effect.