3.
Tighten the straps on the head harness, starting with the two at the bottom.
Do not overtighten the head harness.
1
3
2
4.
Seal off the filter opening with the palm of your hand and take a deep
breath.
Check that the negative pressure is maintained and that there is no
leakage.
NOTICE
Local regulations may require additional tests to be performed
before use of the face mask.
Respire N filter mask
9
ENGLISH
