B3M 2097 P100 Particulate Filter with Organic Vapor Relief, 10 Pair (Package include OfficeSupplyExpress Retractable Pen) ReviewbP PP 3M 2097 P100 Particulate Filter with Organic Vapor Relief, 10 Pair (Package include OfficeSupplyExpress Retractable Pen) PNIOSH approved for environments containing certain oil and non-oil based particles.PNot NIOSH certified for use against ozone.