Mofuta oa I
Li-mask tsa sefahleho tsa bongaka tsa Mofuta oa I li lokela ho sebelisoa feela ho bakuli le batho ba bang ho fokotsa kotsi ea ho ata ha tšoaetso haholo-holo maemong a seoa kapa mafu a seoa.Li-mask tsa Mofuta oa I ha lia rereloa ho sebelisoa ke litsebi tsa bophelo bo botle kamoreng ea ho buuoa kapa libakeng tse ling tsa bongaka tse nang le litlhoko tse tšoanang.
Mofuta oa II
Mofuta oa II mask (EN14683) ke mask a bongaka a fokotsang phetiso e tobileng ea moemeli ea tšoaetsanoang pakeng tsa basebetsi le bakuli nakong ea opereishene le litlhophiso tse ling tsa bongaka tse nang le litlhoko tse tšoanang.Li-mask tsa Mofuta oa II li reretsoe ho sebelisoa ke litsebi tsa bophelo bo botle ka phaposing ea ho sebetsa kapa maemong a mang a bongaka a nang le litlhoko tse tšoanang.
Mofuta oa IIR
Mofuta oa IIR mask EN14683 ke mask a bongaka a sireletsang motho ea e roetseng khahlanong le ho phatloha ha maro a nang le tšoaetso.Li-mask tsa IIR li lekoa ka lehlakoreng la moea (ho tloha ka hare ho ea ka ntle), ho nahanoa ka katleho ea ho hloekisa baktheria.
Phapano ke efe lipakeng tsa limaske tsa mofuta oa I le mofuta oa II?
BFE (Bacterial filtration performance performance) ea mask a Mofuta oa I ke 95%, athe BFE ea limaske tsa Mofuta oa II le II R ke 98%.Khanyetso e tšoanang ea phefumoloho ea mofuta oa I le II, 40Pa.Li-mask tsa sefahleho tse boletsoeng ho European Standard li arotsoe ka mefuta e 'meli (Mofuta oa I le Mofuta oa II) ho latela katleho ea baktheria moo mofuta oa II o aroloang ho latela hore na mask a hana ho phatloha kapa che.'R' e bolela khanyetso ea ho phatloha..Li-mask tsa Mofuta oa I, II, le IIR ke limaske tsa bongaka tse lekoang ho latela tataiso ea moea (ho tloha kahare ho ea kantle) mme ho nahanoa ka katleho ea ho sefa ha baktheria.