Xiaomi Mi Air Purifier 3H Filtration Three-layer cylindrical 360° HEPA filter, laser particle sensor and auto mode. 99.97% filtration of 0.3-micron particles; 6330 litres of purified air per minute. Particle / formaldehyde CADR: 380 / 60 m³/h Rated effective area: 26–45 m² OLED touchscreen and three-colour air-quality ring. Mi Home remote control, on/off scheduling and Favourite mode. Google Assistant voice control. Technical details Power / supply: 38 W / 100–240 V AC, 50/60 Hz Dimensions / net weight: 240 × 240 × 520 mm / 4.8 kg Cable: 1.5 m Colour / Wi-Fi band: White / 2.4 GHz Sleep-mode noise: 32 dB(A). Sound-power range: 33–64 dB. Filter life: 6–12 months. Compatible filters: Mi Air Purifier Anti-formaldehyde S1, Antibacterial, HEPA. Brushless DC motor; up to 1 kWh consumption per 24 hours. Gross weight: approximately 6.1 kg.