YM-A350 air purifier humidifier type 1, professional duct design, air flow 2, intelligent air quality sensor 3, the temperature of the temperature display speed adjustment 5,3 4,3 grade level LED display 6 air quality, clean the filter replacement reminder 7,1 / 2/4/8 relaxed timing 8, PM2.5 value display 9, air humidification. 10 silver ion disinfection technology, UV sterilization, the amount of negative ions 7 th over 10 pcs / cm squared fourth gear wind speed formaldehyde purification rate of> 96.2% pm2.5> 99.9% germs> 97.6% noise <65dB input power of 65W for an area of ??40 Weight 10.8KG to 65 meters long 1.8M power three screens: the early effect filters, HEPA filters, activated carbon filters