N95 particulate respirator 1.N95 Standard,BFE 95% 2.ISO ... of R&D,OEM and ODM accep N95 particulate respirator introduction: no toxic, no smell, no sensitivity and ... secure seal and comfort. High efficiency filter layer with advanced electrostatic charged microfibers help provide worker protection against ... TPU synthetic rubber head band, staple free optional with and without valve FFP1,FFP2 type