You need to enable Javascript in your browser to use most features on our website.
1st layer: nonwoven fabric 25 ± 1 g 2nd layer: filter melblown, degree of filtration BFE 99, 25 ± 1 g 3rd layer: non-woven material 20 g Nasal retainer: flexible plastic retainer with iron wire Color: White, Blue, Pink, Green
