Check the listing for details. Miller ML00894 Half Face Mask Welding Respirator LPR-100 W/P100 Filters SML/MED. Condition: New. Listed at 44.75 USD. Miller ML00894 Half Face Mask Welding Respirator LPR-100 W/P100 Filters Size: S/M Miller® LPR-100 Half Mask Respirator (Small/Medium) ML00894The Miller® ML00894 Half Mask Respirator filters 99.97 percent of welding fumes and mists. The replaceable P100 filter cartridges have an assigned protection factor (APF) of 10 and 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.Size - Small/Medium Patented low-profile design maximizes field of visionFits easily under most welding helmets; optimal fit with Generation II Miller headgearErgonomic design with minimal dead air space to keep user comfortable and coolLarge non-return exhaust valve eases breathing and reduces user fatigueFour point head strap adjustments provide a customized fitExclusive 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 freeComes complete with two, P100 filter cartridges