Filter for paint mask ELIPSE P3 R ( SPR336 ), provides protection against dust particles, metal fumes (smoke), asbestos, water and oil mists, vapors, bacteria and viruses.Product complies with EN140: 1998 APF: 20.. P3 R filters fully protect against:. - mists and vapors. - dust particles (including biochemical particles). Construction:. - P3 R HESPA+ filter is lighter and more durable than conventional fiberglass filters. - The P3 R HESPA+ filter is a composition of special materials selected for military applications where maximum length of use, bendability and minimum thickness were key- The HESPA+ P3 R filter not only meets, but also exceeds the standards of European EN standards. It is also approved by the FDA (Food and Drug Administration) in the US