Which m50 gas mask accessory should be used if storing the mask for more than 30 days?

Face Form

Explanation:

A face form is used for storing a mask for greater than 30 days. The main role of face foam is to maintain the shape of the mask

M- 50 FPM is  used to provide 24 hours protection against chemical , radioactive effects and also from biological agents. IT has several accessories out of which face form is one which is used only when mask is to preserved for a long period of time.

it is b

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