Chapter 2
Cylinder and Components
58 SAFETY FIRST Edition 1 – December 2019
MSA G1 Electronic Breathing Apparatus
Facemask
The facemask includes the following features:
anti-fog coating on the inside;
low breathing resistance on and off air;
open port design;
integrated HUD with light pipes (left and right side);
no electronics (all contained in the demand valve);
two harness buckles featuring D-rings for attachment to the harness shoulder
straps; and
cross contamination prevention inhalation valve.
The facemask includes the following components:
reverse flange facial seal;
five point rubber head harness;
quick release tabs;
neck strap with shortening capability;
full view toughened polycarbonate visor;
exhalation valve;
nose cup; and
mechanical speech diaphragm.
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