The hyperfiltering unit presents the most complete pressurization system for lacquer application lines and machines which require absolute dust-free air and controlled conditions for the coating and drying of high quality finishing. The system is used for the air feed of: in-line curing ovens, vertical ovens, pressurized spray and enclosure booths. The inlet air local is provided with cylindrical cartridge filters with sub-micron control of the atomised lacquer particles; the wide filtering surface assures the highest filtering efficiency and  minimum maintenance requirements.