3-layer filtering system: Pre filter + HEPA filter + Active carbon filter, 35W, Neutralizes 99.97% of dust and bacteria, Clean air delivery rate (CADR): 95 m3/h, Silent: Sound level 30 dB(A), Ionic function, Timer: 2-4 - 8 hours, Night mode, 3 ventilation speeds, Filter change indicator, Ideal for a surface area up to 40 m2