The moldex 2200 n95 particulate respirator features the moldex dura-mesh shell, which resists collapsing in heat and humidity. the moldex 2200 has a molded nose bridge that seals easily without a metal nose band. the naturally contoured facepiece and softspun lining give the respirator added comfort and durability, as well as relieve pressure points. niosh certified to have a filter efficiency level of 95% or greater against particulate aerosols free of oil. 20 masks per box. dura-mesh shell resists collapsing molded nose bridge seals easily without a metal nose band niosh n95 respirator approval