United States WW2 MSA Navy Type N-C Gas Mask, Model A-1 dated 1942, this mask does not take the same M12 filters the Mark 5 uses, it actually takes filters specifically made
Pristine Dräger M65 mask & sealed 1985 dated M38 filters (are they okay to use?) : r/gasmasks
Forever Kelly Bundy!... - Lori Dylan of POSH salon | Facebook