Crystal actually being good air purifier --8023, this product is the first digital display screens heavy PM2.5 6: Front early effect of dust filters, high efficiency HEPA filter, anti-bacterial isolation filter layer, activated carbon filters, molecular sieves adsorption layer, photocatalyst net weight purification 8: EPS pre-filter filters dust, PM10; PM2.5 and black and white filter to block tiny particles; HEPA filter filtration PM2.5; AC activated carbon filter to remove odors; cold catalyst in addition to smell, decomposition of harmful substances; UV ultraviolet light to kill bacteria, microbes; negative ion generator release of negative oxygen ions of fresh air. Rated voltage: 220V / 50HZ Rated power: 48W Application area: 35M2 Product Weight: 8Kg wind speed: low | medium | high | Super Noise: <= 26db CADR values: 350M3 / H sensor: GE dust sensor purification: 6 heavy filter mesh size 8 heavy cleaning products: 329mm * 205mm * 569mm 8023 can effectively resolve: bacteria, dust, PM2.5, viruses, pollen allergies, pet dander, mold, smoke ...... health care of the baby can make healthy growth; improving Pregnant women sleep quality, solve insomnia; create peace of mind, open work better workers and more information, please visit the official website www.zjhjr.com.