Bissell 3139 Series, Manual

Page: 7 / 20

7
Filter Replacement
Note: Filter life varies based on run time and existing air conditions. It is recommended to replace the
filter once every 4 months.
1.
To remove the base cover,
grip the center of the base and
twist counter-clockwise to the
unlocked position.
2.
Remove the base cover to
access the filter. Remove the
dirty filter.
3.
Remove your new filter from
its protective plastic bag.
4. Insert the new filter with the
Genuine BISSELL® Filter sticker
facing up. The base cover will
not fit back on unless the filter
is inserted correctly.
5. Align the base cover’s
unlocked arrow with the arrow
on the air purifier. Twist the
base cover clockwise until it
clicks into the locked position.
6. Turn the air purifier back ON
and press and hold the filter
reset button until you hear a
beep.
WARNING
For your safety, always turn OFF and unplug your air purifi er before replacing the fi lter.