FuncationMain functions:Filter purification+Roompurification: duble efficient purification make rate of killing germs >99.97%special pertinence absorbtion VOC module efficiently remove VOC.Filter purification, Pre-filter, HEPA and honeycomb carbon filter to remove germs, pollen (allergen), smoke, dust, pet odor/ dander, garbage odor and toilet odor.Roompurification, honeycomb photo-catalyst, The positive and negative ion group, UV lamp, and Chemistry neutral absorption to remove mould, airborne viable particles, virus, CO, odor, Staphylococcus albus, formaldehyde, BEN and other chemical organicsPure-u air cleaner feature1) 8-layer air purification system:Pre-filter + True HEPA + absorption VOC module + honeycomb photo-catalyst+ Uv Lamp + honeycomb photo-catalyst +activated carbon filter+ plasma cluster2) combination ofhoneycomb photo-catalyst+ Uv Lamp + honeycomb photo-catalyst reach two times more than other air purifier, this is unique feature of our pruducts.3)Remote control operation4) covering material:ABS plastic5) 4 timer setting for shut-down: 1h, 4h, 8h,24h6) Easy installation7) European style, modern designTechnical Data:Product size(inch/mm)15.7x11.8x18.5/400x300x470Weight(lbs/kg)15.43/7Rated Voltage220V±10%/50HzAir shed(cfm,m3/h)74/125 113/192 169/288Input power(W) 45 50 60Noise level(Db) 35 45 55Coverage area376 sq.ft/35 m2Fan speed3 speed adjustable Replaceable parts HEPA module Pre-filter Honeycomb carbon filter