Hot selling EC motor 10 Inch high airflow metal shutter exhaust fan

1.This powerful exhaust fan is designed toventilate warehouses, workshops, greenhouse,sheds, chicken coops and etc.

2.The fan s wall/window mounted with steel shutters which arecorrosion resistant.

3.The fan is automatically close when fan stops working to protect the housesfrom outside dust and liquids.

4.The shutter fans' three louvers are made of commercial-grademetal, coated with matt black painting.

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1. The fan has high airflow but lower power consumption.

2. The shutter fans' available specification of fan diameter:250mm,300mm,350mm.

3. The fan has freed speed control: 0-10V voltage speed control and PWM signal speed control.