No Power Roof Ventilation Fan Sale / roof ventilation fans for workshop

  No Power Roof Ventilation Fan For Sale

1. Roof Ventilation Fan Feature:

This ventilation device id driven by natural wind or rain,When wind is not available,the rising hot ari will escape from spaces among the blades to push the main ventilation devices to rotate,creating a large air flow.By doing so,the wind driven ventilator is able to work 24hours a day without consuming electricity,helping you reduce operation cost and increase profit.

Roof Ventilation Fan Advantages

1.Environmentally friendlly:no operating cost,no electricity consumption.

2.Dust-proof:the wind turbine exhaust fan continuously operates 24 hours a day,This lowers the possibility of dust adhesion and makes the fan easy to clean.

3.Light weight:The weight of roof ventilating fan along with the base is approximately 15 kg,so the users need not take into consideration when desiging steel structures.

4.Long lasting:Aonuodi roof ventilating fan has a life time of over 15 years.

5.Curved blades are the result of scientific computing technology.

6.The special central shaft design effectively prevents turbine blades rotating at high speeds from deformation,thus greatly extending the service life of the roof ventilating fan without power.

2. Roof Ventilation Fan Specification:

1)7+year real professional livestock machinery manufacturer.

2)The main products include exhaust fans,cooling pad,automatic drinking and feeding system etc.

3)Energy saving, smooth operation, low noise, stable performance, solid and durable with elegant appearance.

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