New US Military MSA-10-1143 personnel gas mask w/storage pouch/bag.

Description

unclear as to how old this mask is
it is in plastic with the cardboard still in original form
there is also a spare pair of eye lens's included and to waterproof the mask kit (unclear if it’s a viable kit)
the bag it comes in does have some dust from being stored
on the spare lens's it says for abc-m17 or m17-A1