Mask oa ho phefumoloha oa KN95 ke mokhoa o mong o phethahetseng ho N95/FFP2.Ts'ebetso ea eona ea ho hloekisa libaktheria e fihla ho 95%, e ka fana ka phefumoloho e bonolo ka katleho e phahameng ea ho hloekisa.Ka lisebelisuoa tse nang le li-multi-layered tse sa allergic le tse sa hlasimollang.
Sireletsa nko le molomo lerōleng, monko, marotholi a mokelikeli, karoloana, baktheria, ntaramane, moholi le ho thibela ho ata ha marotholi, fokotsa kotsi ea tšoaetso.