Ezi maski zotyando zilahlwayo ziiLay 4 zePolypropylene Ultrasonically Welded Together: 3 Spunbond Polypropylene Layers Ngaphandle, 1 Meltblown Polypropylene Filter Layer Ngaphakathi. Kunye neList Twist Ear Loops Phambi kweNdlebe- okanye - Bopha iqhina kwiLops zeNdlebe ukufinyeza. Amanqanaba onyango ogqirha ogqirha ogqirha ziMaski zoPhononongo ezijolise kuKhuseleko lweSithintelo soTywala kunye nokubonelela: Ukusebenza kweBacterial Filtration (BFE): 99 +%.