Product Name:High Efficiency Exhalation Valve Activated Dust MaskShape:cupSize:70*32.5*38.5CMMaterial:Needle puncturing fabric+activated carbon fabric+Melt Blown Filter+PP non-woven fabricApplications:Farm buildings, Mining , Weaving, Polishing, Pharmacy, Hardware,Working with fiberglass, Cement, etc.StandardTests TypeFiltration EfficiencyInhalation ResistanceFlowParticle SizeTests ParticleEN149FFP1>=80%<=21mmHO95L/MIN0.3μmDop and NaclFFP2>=94%<=24mmHOFFP3>=99%<=30mmHONIOSH
42CFR-84N95/R95/P95>=95%<=20mmHO85L/MIN0.3μmNacl
Dop and Nacl
Dop and NaclN99/R99/P99>=99%<=25mmHON100/R100/P100>=99.97%<=35mmHO