Main functions: Filter purification+Room purification:double effect technology make rate of killing germs>99.97% Filter purification, Pre-filter, HEPA and honeycomb carbon filter to remove germs, pollen (allergen), smoke, dust, pet odor/ dander, garbage odor and toilet odor;. Room purification, 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 organics. Pure-u air cleaner feature1) 8-layer air purification system:Pre-filter + True HEPA + absorption module + honeycomb catalyst+UvLamp+honeycomb photo-catalyst+activated carbon filter +ionizer2) Combination of honeycomb photo-catalyst+ Uv Lamp + honeycomb photo-catalyst reachtwo times efficient than other machine. this is our products unique feature.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)74/126, 113/192,169/288 ,Input power(W) 45 50 60Noise level(Db) 35 45 55Coverage area376 sq.ft/35 m2Fan speed3 speed adjustableReplaceable parts HEPA module Special pertinence module Honeycomb activated carbon filter