Miller SA00818 Replacement P100 Filter For Miller Welding Respirator 1- Package Of 2 Filters Genuine Miller SA00818 replacement filter cartridges for the Miller LPR-100 half mask respirator. Cartridges filter 99.97 percent of welding fumes and mists. The P100 filter cartridges effectively remove airborne particles and oil aerosols, hazardous solid dust particles, metal fumes and mists including: hexavalent chromium metal, stainless steel, galvanized steel, steel/manganese alloys, aluminum, cadmium and lead fumes. NIOSH certified to remove 99.97 percent of airborne welding fumes and contaminentsExclusive pleated filter design provides additional surface area for maximum efficiency and filter lifePatented filter media maximizes efficiency in both humid and non-humid environmentsMade of medical grade materials that are odor free, non-allergenic, latex and silicone freeCan be used in all Miller LPR-100 half mask respirators