Xiaomi Mi Air Purifier 3C – AC-M14-SC Filtration and control Three-layer filter with prefilter, True HEPA and activated carbon, 360° air circulation. Laser-sensor automatic speed adjustment. Particle CADR / formaldehyde CADR: 320 / 60 m³/h True HEPA filter efficiency: 99.97% for 0.3 µm particles; up to 99.99% for 90–100 nm particles. Purification capacity: 106 m²/hour at one air change per hour; 5330 litres of purified air per minute. Digital LED display: PM2.5, Wi-Fi status and operating mode. Three-colour air-quality ring. Mi Home/Xiaomi Home app and voice control. Specifications Power / supply: 29 W / 100–240 V, 50/60 Hz Maximum energy consumption of 0.7 kWh per 24 hours. Brushless DC motor. Noise: ≤61 dB(A) Dimensions / net weight: 240 × 240 × 520 mm / ~4.6 kg