3M 5911 P1R Particulate Filters for use with 3M Gas and Vapour Filters.* Use in combination with 3M 6000 Series Gas and Vapour Filters with a 3M 501 Filter Retainer for combined gas/vapour and particulate protection.* Extremely lightweight.* Conforms to EN143.* CE Marked.1 BOX = 30 FILTERS (NOT PAIRS)
