Crystal actually being good air purifier HJR-8020, without care, automatic purge Rated power: 30W Rated voltage: 220V 50HZ CADR values: 300M3 / h Applicable area: 30M2 Weight: 6.4kg Noise: <46db Product Size: 640 * 355 * 185mm purification: 5 heavy weight purifying filter 6 5 weight filter: pre-filter, high efficiency HEPA filter, cold catalyst filter, catalyst filter, activated carbon filter 6 heavy purification: pre-filter 20 micron filter contaminants, such as: hair, dander, fibers and other large particulate pollutants; HEPA high efficiency filter filters pollen, dust mites, mold, PM2.5 and other filtration rate of more than 99%; major activated carbon charcoal filter is dominated by carbon-containing substances as raw materials, high temperature carbonization and activation of the adsorbent obtained. Contains a lot of microporous activated carbon with a large surface area, high adsorption of volatile organic compounds, second-hand smoke, dust particles; under the action of light, have a strong catalytic degradation function: it can effectively degrade toxic gases in the air; photocatalyst filter can effectively kill a variety of bacteria, and bacteria or fungi can release toxins decomposition and sound processing. Features: Living room - reducing pollution, with comfort, absorption of harmful substances Office - fresh air, improve the overall efficiency do to eliminate the odor of cigarette smoke bedroom - improve sleep, improve sleep quality, reduce static electricity and electromagnetic waves study - clean air, enjoy reading, inhibit bacterial growth