*Nose Clip:Aluminum for Easy Adjusted to Fit Closely
*Composition:Three-Layer Nonwovens,Polyester (Outer) + Polypropylene Melt-Blown (Middle) + Polyester (Inner)
*Certification:CE EN149 (FFP1,FFP2)
*Filter Efficiency Level:Against Particulate and Aerosols
FFP1-80%
FFP2-94%