1. Kugwiritsa ntchito kamodzi kokha.
2. Chitsimikizo cha CE kuchokera ku SGS,CE0598, chikugwirizana ndi EN149:2001+A1:2009 FFP2 NR muyezo.
3. Non-poizoni ndi sanali irritchera zakuthupi; 5-plys, Zofunika Tsatanetsatane: PP spunbond wosanjikiza kunja, Hot mpweya thonje wosanjikiza, PP Sungunulani kuwombedwa mkulu kusefera wosanjikiza, PP Sungunulani kuwomba mkulu kusefera wosanjikiza, PP spunbond wosanjikiza mkati.
4. Particle Filtration Efficiency (PFE): EN 149 ≥94%.
5. FFP2 imapereka magwiridwe antchito apamwamba komanso kusefera kwa mabakiteriya.
6. FFP2 Kukula: 155 × 105mm.
7. Pewani mabakiteriya, fumbi, mungu, mankhwala a airbone, utsi ndi nkhungu.
8. Zitsanzo zambiri zilipo.