Noah Barkin on Twitter: "The French official who said on video that the US had paid extra at a Chinese airport to divert a French order of masks to the US seems
Permissible Gas Mask for Organic Vapors -Willson Type WIG G1 | National Museum of American History
Can anyone help identify what I'm missing from making this a usable mask? Willson R793 it says on the front : r/gasmasks