Among NeoTec Air Purifier Products, XJ-3000A is a product with highest technological content. It is the pioneer among those household air purifiers in the application of "HEPA" filter, a high class filter medium adapted to cleaning room effectively. The 3 layers "HEPA" high performance filter can filtrate finest particles up to 0.3μsize at an effective rate of 99.97%. With thickened layers and increased filtering surface, the filter core of XJ-3000A extends its service life to 2 years. This purifier equipped with a 2M3/min-frequency blower rapidly circulates and purifies the indoor air, shortening time and cost on purifying. XJ-3000A also generates negative ion to remove odor, smoke and neutralize poisonous gases effectively, thus creates fresher and clean air. The control panel embedded soft touch button, 3-speed switch and timer operating system allows easy function of purifying speed and convenient control of timing. It is most suitable for room space as big as 210 M3. Therefore it is an ideal air purifier for home, offices, hotels and hospitals, etc.