Maski opangira opaleshoni awa ndi zigawo 4 za Polypropylene Ultrasonically Welded Together: 3 Spunbond Polypropylene Layers Kunja, 1 Meltblown Polypropylene Filter Layer Mkati. Ndipo Pindani Malupanga A Khutu Kutsogolo Kwa Khutu - kapena - Mangani Knot M'makutu Amakutu Kuti Mufupikitse. Magawo azachipatala awa opangira opaleshoni ndi Masiki Opanga Opangira Zotchinga Zamadzimadzi Ndi Kupereka: Kuchita Bacterial Filtration (BFE): 99 +%.