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Canadian C-3 M69 Gas Mask & One 40mm SEALED NBC Canister Size LARGE exp 2022 | Stars and Stripes Forever
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German M65 Drager Military Gas Mask Respirator Unissued w/ NBC Filter exp. 2022 | Stars and Stripes Forever
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German M65 Drager Military Gas Mask Respirator Unissued w/ NBC Filter exp. 2022 | Stars and Stripes Forever
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Black 40mm CRBN Filter for Nato Gas Masks / Extra Filter för M90, F2, A4 Respirator – Swedish Body Armor® | Preparedness Outdoor & Survival Gear
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To simply put it, bottom is safe, middle questionable (chromium and other possibilities) top is dangerous hence the lack of filters in that area : r/gasmasks
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