GVS Elipse A1-P3 RD filter, SPR341CharacteristicsA; provides protection against certain organic gases and vapors with boiling points higher than 65 °C.1; Capacity class 1: Provides protection up to 1000 PPM.P3; protects against dust, metal fumes, oil-water vapors, microorganisms, bacteria and viruses, plaster, wood or textile fibers, marble, titanium oxide, soapstone, stone wool, detergents, oils, spices, salts, feed derivatives, dust or particles that can cause lung diseases, cotton, graphite, kaolin, zinc and aluminum, coal, asbestos (always check site-specific demolition instructions), bauxite, quartz and iron ore, manganese, lead and chromium particles; provides protection against those larger than 0.3 microns, offering at least 99.95% efficiency.