US Navy/Marine  MS22001 Oxygen Mask size Medium

Description

US Military MS22001 Oxygen Mask size Medium.
I believe it to be Marines/Navy, but am uncertain.
From an estate sale. New---unused.
No dates visible on the item.
Ships to continental US only.
P-4 Helmet is NOT a part of the offering. Used for display purpose of the oxygen mask only.
Thanks for your interest, and Happy Holidays!