New
Gas Mask Adapter 60mm to 40mm NATO Filter Adapter Canada C3 M9 M61 M1 NBC CBRN
8.75
USD
You can still use your out of date 60mm specified gas mask with new, fresh NATO 40mm NBC filters. This will make it easier to thread the adapter into the gas mask. This adapter has a rubber gasket to allow an excellent seal from the 40mm filter side.
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5.75 USD