Blauer. H.T. BRAT Manual De Instrucciones página 7

Anatomy of the helmet.
1
Ventilation system.
2
Front air inlet
3
5
1
4
Model name:
1/ Visor
2/ Visor mechanism
3/ Front air inlet
4/ Chin strap buckle
2
BRAT
5/ Visor seal
Rear air outlets