PEC-ion System; PhotoElectroCatalytic-ion System By using Oxidation of Photo - catalyst reaction & High Voltage Discharge Technology, this technology can oxidize VOCs into Carbon dioxide (CO2) & H2O. As a complex way of air purifier, CAP3000 series have not only outstanding eliminating capacity of micro-dust, particles etc but also outstanding sterilizing capacity so that they can eliminate Influenza virus 9-Stage Natural-Humidifying (N-Humid)Air Purifier System Employing a special 'pro-evaporation' filter that is capable of controlling humidity level of indoor while sterilizing vapor. N-Humid System brings the next evolution in humidifier technology!