X-lite X-502 Sécurité Et Instructions D'utilisation page 24

20. Assembly of the removable internal filter
To replace the removable internal filter, remove its holding frame as explained above,
insert it and place it properly in its housing in the chin guard. Then reassemble the
holding frame as explained above (Fig. 25).
WARNING
- If you wish to use the helmet without the removable internal filter, it is recom-
mended to always install the filter holding frame.
24