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Since the Core 300 does not have an air quality sensor, it cannot determine the air quality of the room. Users' experience can vary depending on external factors (room size, weather, presence of animals/plants, etc.) and also personal sensitivity. You can always run the purifier on the highest fan speed (and for longer periods) to more aggressively clear the air.
Sorry, there was a problem. Please try again later.It doesn't have indicator lights for air clean Level
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