These are brand new sealed in the package M50 gas mask filters. Known as M61 canister filters,these filters are still within the inspection date and are good pretty much indefinitely as long as they’re sealed. Each package comes with two filters that are still sealed in the black plastic box.
These are brand new sealed in the package M50 gas mask filters. Known as M61 canister filters,these filters are still within the inspection date and are good pretty much indefinitely as long as they’re sealed. Each package comes with two filters that are still sealed in the black plastic box.
