clair B1BU0533, User Manual, Page: 5 / 17

Filter replacement and cleaning
1. Turn off the power of the main body and
disconnect USB cable.
2. Open and grab the ring on the bottom cover
and turn in the direction of the arrow as shown
in the figure.
3. Disconnect filter module from the main body
holding the outside of the body.
4. Remove dust accumulated on the surface of
filter and the bottom cover using vacuum cleaner
or small brush once every 1~2 months.
5. Remove dirty filter and replace it with new
clean filter (recommended to replace around
every 4 months).
6. Assemble in the reverse order and fix it by
turning in the opposite direction of the arrow until
hearing click sound.