Xiaomi Smart Air Purifier 4 Pro

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About this product

Full-room purification The Xiaomi Smart Air Purifier 4 Pro combines a particle clean air delivery rate of 500 m³/h with a listed effective coverage area of 35–60 m². It is designed to reduce airborne particles and help manage everyday household odours, with automatic operation and clear air-quality information. Three-Stage Filtration A primary filter, Xiaomi High Efficiency Filter and activated carbon filter work together to capture particles and help reduce odours. The listed 99.97% filtration efficiency applies to 0.3 μm particles under test conditions; it does not mean that every pollutant in a room is removed. Negative air ionisation provides an additional purification function. Automatic Response To Air Quality In Auto Mode, the purifier monitors air quality and adjusts its purification speed as conditions change. Real-time PM2.5 and PM10 readings and a colour-coded light strip make the current air-quality information easy to check, while touch controls let you adjust settings directly. Quieter Night Operation Night Mode has a listed noise level of 33.7 dB(A), with display illumination switched off to reduce light disturbance. Noise varies with the operating setting, so this l

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