Philips AC4004 User Manual page 19

5 To remove filter 3 (activated carbon filter), grab its tag and pull it
towards you.
6 To remove filter 4 (HEPA filter), grab its tag and pull it towards you.
7 Discard the filter that has to be replaced and unpack the new filter.
8 Put filter 4 (HEPA filter) back into the appliance.
Note: Make sure that the side with the tag points towards you.
9 Put filter 3 (activated carbon filter) back into the appliance.
10 AC4004 only: reattach filter 2 (multi-care filter) to the back of filter
1 (pre-filter).
Note: Make sure that the front of the multi-care filter points towards the pre-
filter.
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