The Xiaomi Smart Air Purifier 4 Compact Filter features a three-layer filtration system designed for effective air cleaning. The first layer is a primary filter that captures large particles such as dust, pet hair, and lint, protecting the inner layers and extending filter life. The second layer is a high-efficiency filter that removes 99.97% of airborne particles as small as 0.3 microns, including PM2.5, pollen, smoke, and pet dander. The third layer is an activated carbon filter that adsorbs odors and harmful gases like volatile organic compounds (VOCs) and formaldehyde, helping to maintain a fresh indoor environment.
This filter is compatible specifically with the Xiaomi Smart Air Purifier 4 Compact model. It is designed for easy replacement, with the Xiaomi Home app providing reminders based on usage. The filter typically needs replacement every 6 to 12 months depending on usage. Its compact design allows for quiet operation and energy efficiency, making it suitable for smaller rooms or spaces.
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