*Nose Clip:Aluminum for Easy Adjusted to Fit Closely
*Composition:Three-Layer Nonwovens,Spunbond (Outer) + Melt-Blown Polypropylene (Middle) + Polyester (Inner)
*Valve:Exhalation
*Certification:CE EN149 (FFP1,FFP2),N95,N99
*Filter Efficiency Level:Against Particulate and Aerosols
FFP1-80%
FFP2-94%
N95-95%
N99-99%