The some Blue Pure 3210/3410/3610 and Blue Pure Max devices have an auto mode which monitors the air quality in your room. Setting the device to the Auto Mode means that your purifier will automatically adjust when higher pollution levels are detected. The fan increases speed based on the sensor readings and slows down when the air is clean again. This ensures that your air purifier is always running at the perfect speed needed to maintain the purity of the air in your home.
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