I-FFP3 Face Masks, eyaziwa nangokuthi imaski ye-N99, ihlinzeka ngezinga eliphakeme kakhulu lokuvikela.Imaski yothuli ye-FFP3 inezinga lokuhlunga elifika ku-99% futhi linezendlalelo ezi-5 zokuvikela.Asebenza kangcono kunezinye izinsimbi zokuphefumula ezifana ne-N95, FFP2, FFP1 namamaski okuhlinzwa.
Ama-facemasks e-FFP3 anikeza izinga eliphezulu lokuvikela kumagciwane nama-virus.Lezi zimaski zingasefa izinhlayiya ezincane njengo-0.3 microns.Nakuba ezinye izinhlayiya zegciwane zizincane kuno-0.3 microns, iziphefumulo ze-FFP3 ezilahlwayo zisakwazi ukuvikela umsebenzisi.Banikeza isivikelo kumuntu ogqokile kumagciwane, amagciwane nezinye izinhlayiya eziyingozi ezisemoyeni.Lezi zimaski ze-FFP3 zivame ukusetshenziswa yilabo abasebenza embonini yezokunakekelwa kwempilo futhi manje sezisetshenziswa umphakathi jikelele ukuhlinzeka ngezinga eliphezulu lokuvikela kunamanye amamaski alahlwayo.
Ama-facemasks e-FFP3 anikeza izinga eliphezulu lokuvikela kumagciwane nama-virus.Lezi zimaski zingasefa izinhlayiya ezincane njengo-0.3 microns.Nakuba ezinye izinhlayiya zegciwane zizincane kuno-0.3 microns, iziphefumulo ze-FFP3 ezilahlwayo zisakwazi ukuvikela umsebenzisi.Banikeza isivikelo kumuntu ogqokile kumagciwane, amagciwane nezinye izinhlayiya eziyingozi ezisemoyeni.Lezi zimaski ze-FFP3 zivame ukusetshenziswa yilabo abasebenza embonini yezokunakekelwa kwempilo futhi manje sezisetshenziswa umphakathi jikelele ukuhlinzeka ngezinga eliphezulu lokuvikela kunamanye amamaski alahlwayo.