Isofluid FogFree Earloop Mask w/Shield ASTM Level1, BLUE 25/Bx. Made in USA. Fluid Resistant outer layer with white tissue inner layer. BFE ≥ 95%, PFE ≥ 95% at 0.1 micron. Extra-long aluminum nose piece. Attached optically clear, distortion free wrap-around shield. Latex-free. Box of 25 masks