VIRCAST MEDIC ADULT DISPOSABLE 4PLY 50S (WHITE)
1.ASTM Level 2
2.Bacterial Filtration Efficiency (BFE): > 98% (Latest ASTM F2101 test report on 21 Sept 2020 shows BFE >99.9%)
3.Particulate Filtration Effiiciency (PFE): > 98%
4.Fluid Resistance (FRI): 120 mmHG
5.Breathable & Skin-Friendly Non-woven Fabric
6.Made of non-woven fiber fabric with 4 layer, soft and breathable, provides a effective protect; They are hypoallergenic, non-toxic.