Ensure the effectiveness of your respirator by replacing cartridges and filters as needed.Replacement parts, listed below, include particulate filters and vapor cartridges. The R2091 (P100) Particulate Filter may be used with 6000 and 7500 respirators for all applications that in the past required the use of dust/fume/mist class or HEPA-rated respiratory protection. It is not made from fiberglass, yet achieves the P100 classification, using AEM technology. It is lightweight and hydrophobic, and is 99.97% efficient against particles of .3 microns.Key FeaturesProvide at least 99.97% filter efficiency against solid and liquid particles, including oilsConform well to welding shieldsAdheres to OSHA substance-specific particulate exposureMay be used with respirators for welding, torch cutting, and abatement applicationsIncludes 5P71 (P95) Particulate Pre Filters, 6001 Organic Vapor Cartridges, R6022 Kit, and R2091 Speciality Filters.