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3-STAGE FILTRATION removes 0.3μm particles up to 99.97%: A pre-filter to block large sand, animal hair, dust; HEPA filter to capture 0.3μm particles(pollen, and other micros); and activated carbon filter to retain most of moisture and odors.IMPORTANT: The included filter (located INSIDE the air purifier) ships with a protective plastic sleeve. Please REMOVE PLASTIC SLEEVE from filter BEFORE use.
Intelligent Particle Sensor: The integrated intelligent sensor of smart air cleaner automatically measures and regulates the indoor air quality under smart mode. The fan anticipates automatically with 3 different speeds according to the measured PM2.5 level and real-time quality of the indoor air ranging from green (good) to red (poor).
Efficient Air Purification: With a CADR rate of 135 CFM (150 m³/h), it offers an increased air circulation 5 times per hour, handily covering rooms as large as 270 ft2 / 25 m2. Efficient but voiceless, lowest to 24dB under sleeping mode.
Safety and Quality Assurance: No UV-C, no Ozone. CARB(California Air Resources Board)/CA PROP 65 certified for sale in California.
Percolate Replacement Indicator: User-oriented percolate reminder, fan speed iron will flash when it is time to replace the filtrate layer (about every 6 month, life span of filter is determined by the indoor air quality).