50 4-Ply ASTM Level 3 Black with White Stripe Face Masks with Adjustable Nose…
50 4-Ply ASTM Level 3 Black Face Masks with Adjustable Nose Band. BLACK ASTM LEVEL 3 TESTED BY NELSON LABS: ‘s Level 3 Guardian masks are tested by Nelson Labs in the United States.
50 4-Ply ASTM Level 3 Black with White Stripe Face Masks with Adjustable Nose…
50 4-Ply ASTM Level 3 Black Face Masks with Adjustable Nose Band BLACK ASTM LEVEL 3 TESTED BY NELSON LABS: ‘s Level 3 Guardian masks are tested by Nelson Labs in the United States. 4-PLY FACE MASK: ‘s Level 3 Guardian masks are made of not 3 layers but 4 layers! 50 MASKS: ‘s Level 3 Guardian masks come in boxes of 50 masks per box FIBERGLASS & LATEX FREE: ‘s Level 3 Guardian masks do not contain fiberglass or latex! MODERN DESIGN: This mask is a nice blend of black, grey, and white colors. Stand out from the rest!