Masks a FFP3, omwe amadziwikanso kuti N99 masks, amapereka chitetezo chokwanira kwambiri.Masks afumbi a FFP3 amakhala ndi kusefera mpaka 99% ndipo amakhala ndi magawo 5 achitetezo.Ndiwothandiza kwambiri kuposa zopumira zina monga N95, FFP2, FFP1 ndi masks opangira opaleshoni.
Masks a FFP3 amapereka chitetezo chokwanira ku mabakiteriya ndi ma virus.Masks awa amatha kusefa tinthu tating'onoting'ono ngati ma microns 0,3.Ngakhale tinthu tating'ono ta tizilombo tating'onoting'ono tokwana 0.3, zopumira za FFP3 zimatha kuteteza wogwiritsa ntchito.Amapereka chitetezo kwa wovalayo ku ma virus, mabakiteriya ndi tinthu tating'ono ta mlengalenga.Masks a FFP3 awa amagwiritsidwa ntchito kwambiri ndi omwe amagwira ntchito m'makampani azachipatala ndipo tsopano akugwiritsidwa ntchito ndi anthu wamba kupereka chitetezo chokwanira kuposa masks ena omwe amatha kutaya.
Masks a FFP3 amapereka chitetezo chokwanira ku mabakiteriya ndi ma virus.Masks awa amatha kusefa tinthu tating'onoting'ono ngati ma microns 0,3.Ngakhale tinthu tating'ono ta tizilombo tating'onoting'ono tokwana 0.3, zopumira za FFP3 zimatha kuteteza wogwiritsa ntchito.Amapereka chitetezo kwa wovalayo ku ma virus, mabakiteriya ndi tinthu tating'ono ta mlengalenga.Masks a FFP3 awa amagwiritsidwa ntchito kwambiri ndi omwe amagwira ntchito m'makampani azachipatala ndipo tsopano akugwiritsidwa ntchito ndi anthu wamba kupereka chitetezo chokwanira kuposa masks ena omwe amatha kutaya.
