Manufacturer Xiaomi Type Air purifier Cleaning method Mechanical filtration and adsorption Filter type PET primary filter, HEPA (High-efficiency Particulate Arrestance) filter, activated carbon adsorption filter Purification capacity 330m³/h Purification efficiency - 100% large particles - 99,3% particles to 0.3 micrometre - 99,99% particles to 2,5 micrometre - 91% formaldehyde and other harmful substances Recommended effective area 23m²~39m² Smart modules - Wi-Fi module 802.11b/g/n - Air quality sensor - Temperature and humidity sensor Power consumption 1.5W~75W AC 100V~220V 50/60Hz Noise level 31dB Smartphone remote control + Dimensions 240 x 240 x 520 mm Weight about 4.8kg (with filter) 10 minutes to clean air in a room Performance reaches 330m3/h Mi Air Purifier 2 has many advantages, including high efficiency, quiet and pleasant work of the device, concise and aesthetic style that will suit any interior. As a result of optimization, Mi Air Purifier 2 has an updated system of air flow, CARD performance of 330m3/h. Thus, Mi Air Purifier 2 has higher performance, but its volume compared with Mi Air Purifier previous generation, decreased by 40%. Cleaning efficiency is also affected by squaring of room. For example, for one large circle for circulation of air in the living room of 23 m2, air cleaner took 10 minutes. Just a few minutes, and your room is filled with fresh and clean air. Feel the comfort, convenience and safety in your home.