2020-10-05
OI01H-3021 SR 900
5
1.5
Fit the filter/combined
filter in the mask so that the
arrows on the filter point
towards the user’s face.
Carefully check that the edge
of the filter is in the internal
groove of the filter mounting
all around
1.6
Fit pre-filter SR 221 in the
pre-filter holder.
Pre-filter prevents premature
clogging of the main filter.
The pre-filter holder prevents
damage to the main filter.
N.B. The pre-filter is a pre-
filter only and cannot be used
as a substitute for particulate
filter P100.
1.7
Press it into place on the
filter.
1. Filter
