ASTM F 2100 – Level 1 Barrier Protection Bacterial Filtration Efficiency (BFE) ASTM F2101 BFE @ 3.0 µm large Bacteria ≥ 95% Differential Pressure (∆P) EN 14683 ∆P < 5.0 mm of H2O/cm2 Particulate Filtration Efficiency (PFE) ASTM F2299 PFE @ 0.1 µm large Latex particules ≥ 95% Fluid Resistance ASTM F1862 Resistant @ 80mmHg Textile Flammability 16 CFR 1610 Class I flame spread