This Surgical Face Mask w/ Extended Shield complies with ASTM F2100 Level 3 Requirements. Coated film shield with proprietary anti-fog treatment provides enhanced clarity. Anti-fog foam inhibits fogging improving vision. Specially designed inner facing improves comfort. Integrated layers work together to maximize breathability. Color: Blue Fluid Resistance: 160 mm Hg BFE: 99 PFE: 99 Delta P: 3.2 Flammability: Class 1 Packaging: 25/Box, 4 Boxes, 100/Cs