digital and intelligent Home Air PurifierProducts FunctionsHEAP filter It can filtrate particulate less than 0.0001mm like pollen, dust and germ, with a purification result of more than 99.97%. Activated carbon, cold-touch media filter It can catalyze and decompose more than 90% harmful chemical gas like formaldehyde, H2S,NH3, etc. Anti-bacteria filter It can effectively kill more than 99.99% Staphylococcus aureus and Escherichia coli. Pre-filter The washable filter can adsorb bigger particulate. Ozone (optional) The ozone density is less 0.04PPM which can effectively eliminate the harmful gas, odor and germ in the air. Anion More than 5 million anions are generated per second which can effectively remove smoke and particulate in the air.Technical parameters Product sizeVoltage supplyPower ratingApplicable AreaAir flow volumeAir exchangerateNoise level320x300x170(mm)AC220V/50HZ≤30W323430ft2(30-40m2)Low speed 24cfm(40m3/h) 2H/Time≤25dBMedium speed 35cfm(60m3/h)1.5H/Time≤35dBHigh speed71cfm(120m3/h0.5H/Time≤40dB