heavy duty exhaust fan

1. Fan Box Material: 1mm thickness galvanized steel panel with powder coating.                                           

2. Fan Blade Material: ABS plastic.                       

3. Shutter Material: 0.5mm thinckness galvanized steel panel. Automaticlly (Air flow pressure) close design.                                               

4. Motor: 380V50HZ, 3Phase, 1Speed, Home-made motor. connect to fan blade directly.

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