Fluid-Resistant Masks with Eyeshield. Non-glare, fog-free, wrap around eyeshield assures maximum eye and facial protection. Polypropylene outer facing for added protection against fluids, plus soft inner cellulose facing for comfort. An Anti-fog strip of comfortable, soft foam prevents eyeglasses from fogging. Available with ties or earloops.BFE > 99% PFE > 99%. ASTM F1862 120mm hg Fluid Resistance.