Moldex Medium/Large Dirt Dawgs N95 Particulate Disposable Respirator,Moldex-Metric Inc." /> 100% PVC-Free Dura-Mesh shell resists collapsing in heat and humidity Contour molded nose bridge seals easily without a metal noseband NIOSH certified to have a filter efficiency of 95% or greater for non-oil based particulates Straps are securely attached so they dont break at the seal Softspun lining for increased comfort and durability Face piece is naturally contoured without pressure points Variety of industrial applications Disposable Masks Meets NIOSH 42CFR84 Standard