R d pollution controls offers ventilation systems to improve the working conditions and working-life of the equipments in generators and chemical systems and also in a multitude of other systems .Fresh air will be introduced in the area with the help of high-pressure centrifugal fans installed at outer side of the area. The desired level of filtration be achieved by filtering the air through unit air filters and hepa filters. Air can also be drawn from banks of air washers to reduce the temperature to offer more comfort. Part of the circulated air will be exhausted through another system either by centrifugal fan or by axial fan to retain the air balance. Unique features of the ventilation system include the specially designed exhaust systems that takes care of dust or fumes emitting in various chemical areas. These kind of ventilation systems can be used on turnkey basis for any kind of application.