Automatic air quality control through odor and dust sensors. Gigantic plasma dust collector that is easy to clean. Multiple air intake vents effective in purification coverage. Large flow rate rapidly purifies indoor air. Five operation modes for easy control. High-performance HEPA filter services last no less than one year. Effective filtration of particulates as small as 0.1~0.3 micron. Excellent dust collection rate of up to 99.97%. Effectively remove dust, odors and smoke. UV germicidal and TIO2 technology to suppress growth of micro-organisms. Box packing.