Unimax Pollution Control [I] Pvt. Ltd. Manufactures Roof Exhauster for Wall and Window Applications. Unimax Pollution Control [I] Pvt. Ltd. Supplies various types of pollution control equipment like centrifugal blowers, twin lobe blowers, axial flow fans, air filters, rotary feeders, evaporative cooling system, cyclone separators, multi cyclones, roof exhauster, vertical cyclone separators, etc. The Roof Exhauster for Wall and Window Applications are powered Ventilation Fans mounted on the roof to exhaust air forcibly they are provided with durable weather proof outer cowls. In this type of roof exhauster there is a continuous expulsion of indoor stale, hot and contaminated air thereby inducing fresh air into the enclosed space thus maintaining a healthy indoor air quality. The roof exhauster can be used in wall or window applications which experience severe wind conditions whilst all models feature a weatherproof outer cowl. These Roof Exhausters are useful for extraction or air supply through the roof, usually preferable in Factories, D.G. Rooms, Steel plant and Foundries and are also installed with ducts to extract air from a particular location. The roof exhauster provides effective extraction of air within the premises unlike the fans dependent on wind energy for effective performance.