3M 2091 P100 Particulate Filter, 1 Pair Per Pack Go to amazon.com Related posts 13 best 3m respirator cartridges FeaturePerfect for all marine applications including welding and asbestos abatement.Use with 3M 5000 Series respirators DescriptionThe 3M 2091 P100 filter is a lightweight, versatile, simple to use, compatible and exceptionally efficient respiratory filter.