ASTM Level 3 Ultra Sensitive Mask, White, Latex Free 50/bx, 10 bx/ctn (GCFCXS)

Void of All Links, Dyes & Chemicals. Outer White Fluid Resistant Layer. Inner White Cellulose Layer. Extra Soft - will not Lint, Tear, Shred. High Breathability. High Efficiency Filter Media. PFE = 98% @ 0.1 micron