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Changing the filter
Step 1
Unplug the unit.
Step 2
Open the door.
Step 3
Slide out the old Blueair filter.
Step 4
Vacuum inside the unit with a soft brush attachment.
Step 5
Slide in the new Blueair filter.
Step 6
Close the door, plug in the unit and turn it back on.
Blueair 300 Series