2. Hold groove of the back cover ,pull out the magnetic door holder .Slightly
lift up the back cover.
3.Remove the filter assembly inside the purifier. (Tips: Remove the filter assembly
follow the arrow direction).
4.Remove the bag on filter net.
5. Put the filter assembly back into the purifier.
6. To reinstall the back cover,align and insert the fixed groove,then exert
pressure at top of the machine,and fix the back cover to be close to the
magnetic door holder
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