Sauerstoffmasken / O2 Masks

WEA System
( Water activated bajonett - Wasserentriegelungseinheit )
automaticly disconnects the mask from the face in case
of Touch with Water, to avoid drown, if the pilot is not able
to diconnect the mask by himself.
In the cyl (Arrow) there is the disbanding tablet.

MBU - 5 / P

MBU 20 HA / LP ( High Altitude - Low Profile )