VIRCAST MEDIC FASHIONABLE F/MASK 10S - 4PLY MASK (ZIPPER AND ENVELOPE)
2.Easy to Store and Carry
3.ASTM Level 2
4.Bacterial Filtration Efficiency (BFE): > 98% (Latest ASTM F2101 test report on 21 Sept 2020 shows BFE >99.9%)
5.Particulate Filtration Effiiciency (PFE): > 98%
6.Fluid Resistance (FRI): 120 mmHG
7.Breathable & Skin-Friendly Non-woven Fabric
8.Made of non-woven fiber fabric with 4 layers, soft and breathable, provides effective protection; They are hypoallergenic, non-toxic, and suitable for sensitive skin.