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Motor protection filter
(colour: black)
This filter ensures that no coarse dirt gets into
the housing if the paper filter is defective and no
main micro filter has been installed in the cas-
sette. If required, this unit can be cleaned with
water, dried and reinstalled in the cassette.
Activated carbon filter
(colour: grey)
This is a high quality, activated charcoal filter
unit which is intended, in particular, to trap any
smelly substances contained in dust and dirt,
thus making an important contribution to impro-
ved air quality (recommended for households
with pets).
High efficiency submicron particulate air fil-
ter
(colour: green)
This high performance filter traps the finest par-
ticles (particulates) of 0.3 microns in size,
almost entirely. The filtration effect is so good
that the air coming out of the machine contains
less dust than the air in the room. The HEPA fil-
ter should always be used when vacuum clea-
ning must be carried out to demanding stan-
dards of hygiene and room air purity.
Micro vario combination filter
(colour: red)
This filter combines the effects of an activated
carbon filter with those of a high efficiency sub-
micron particulate air filter.
D
Micro exhaust air filter
This filter is not located in the filter compartment
(dust compartment), but downstream of the
motor under the exhaust air grille, it serves the
purpose of trapping the dust resulting from the
abrasion of the motor carbon brushes.
Replacement intervals
In order to ensure consistently efficient suction
and dust filtration and to minimize smells, we
recommend that filters and filter units be repla-
ced at the intervals specified below or at the
latest when the filter replacement display indi-
cates that this is due, even though a new paper
filter and micro filter may have been installed.
Main micro filter / exhaust air micro filter
After the contents of a paper filter pack have
been used (you will find a corresponding
replacement filter in the paper filter pack)
Activated charcoal filter / micro vario combi-
nation filter
After 6 to 12 months, depending on use.
High efficiency particulate air filter
After a period of 18 months to 2 years (pro-
vided the paper and main micro filters are
regularly replaced).
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