HOW TO MAINTAIN THE FILTER:
1. Press the battery locker
to unattached the battery
from dust cup
2. Open the dust cup as
below showed
3. Take out the filter case,
then take out the filter
4. wash the filter case and
HEPA filter
5. Please dry the HEPA filter
and filter case completely
before assemble back
6. After drying, assemble
the filter to the case
7. put the filter case back to
the dust cup
8. assemble the dust cover
into the dust cup as below
showed
