Axial Flow Fans Centrifugal Fans Cyclones Pneumatic Conveying Units Bag Filters Air Washer Unit Dust Collectors Man Coolers Other Products We Specialize in INDUSTRIAL VENTILATION, AIR POLLUTION CONTROL EQUIPMENTS & AIR HANDLING SYSTEMS Hyderabad Pollution Controls Limited. is now a 30 year old company briefly called Polcons engaged in Design Engineering, Manufacture, Supply, Erection, Testing & Commissioning of industrial Air Pollution Control Equipments & Air Handling Systems our company was incorporated in the year 1978. In the last 30 year Polcons have installed hundreds of Ventilation Plants, & Air Pollution Control Systems in many large public sector undertakings & many more private enterprises