Ensure the effectiveness of your respirator by replacing cartridges and filters as neededInclude 5P71 (P95) Particulate Pre Filters, 6001 Organic Vapor Cartridges, R6022 Kit, and R2091 Speciality Filters. R2091(P100) particulate filters may be used with 6000-Series Respirators for welding, torch cutting, and abatement applications and for OSHA substance-specific particulate exposure. Provide at least 99.97% filter efficiency against solid and liquid particles, including oils Conform well to welding shields