Li-Mask tsa sefahleho tsa FFP3, tse tsejoang hape e le limaske tsa N99, li fana ka tšireletso e phahameng ka ho fetisisa.Li-mask tsa lerōle tsa FFP3 li na le sekhahla sa ho sefa ho fihla ho 99% mme li na le likarolo tse 5 tsa ts'ireletso.Li sebetsa hantle ho feta li-respirators tse ling tse kang N95, FFP2, FFP1 le limaske tsa ho buoa.
Li-facemasks tsa FFP3 li fana ka tšireletso e phahameng khahlanong le libaktheria le livaerase.Li-mask tsena li ka sefa likaroloana tse nyane joalo ka li-micron tse 0.3.Leha likaroloana tse ling tsa vaerase li le nyane ho feta li-micron tse 0.3, li-respirators tse lahliloeng tsa FFP3 li ntse li khona ho sireletsa mosebelisi.Li fana ka tšireletso ho ea li apereng ho livaerase, libaktheria le likaroloana tse ling tse kotsi moeeng.Li-mask tsena tsa FFP3 li sebelisoa hangata ke ba sebetsang indastering ea tlhokomelo ea bophelo 'me joale li sebelisoa ke sechaba ka kakaretso ho fana ka tšireletso e phahameng ho feta limaske tse ling tse lahloang.
Li-facemasks tsa FFP3 li fana ka tšireletso e phahameng khahlanong le libaktheria le livaerase.Li-mask tsena li ka sefa likaroloana tse nyane joalo ka li-micron tse 0.3.Leha likaroloana tse ling tsa vaerase li le nyane ho feta li-micron tse 0.3, li-respirators tse lahliloeng tsa FFP3 li ntse li khona ho sireletsa mosebelisi.Li fana ka tšireletso ho ea li apereng ho livaerase, libaktheria le likaroloana tse ling tse kotsi moeeng.Li-mask tsena tsa FFP3 li sebelisoa hangata ke ba sebetsang indastering ea tlhokomelo ea bophelo 'me joale li sebelisoa ke sechaba ka kakaretso ho fana ka tšireletso e phahameng ho feta limaske tse ling tse lahloang.