ENVIRO INTERNATIONAL CORPORATION

We supply the roof mounted turbo ventilators. it runs without motors, this is the reason it is called natural extractors also, as it rotates without any power and it has zero electricity consumption. No motor or panel is required for this.
it is generally attached with frp based and is placed over the work shop roof. workshopd having higher temperature generates temerature or density ingradient with surrounding ambient temperature, which propells the ventilator to rotate and during this process it extracts air from inside the work shop and throw out to atmosphere.