100 4-Ply ASTM Level 3 Face Masks, Disposable (Blue) by PlastCare USA (2 Boxes of 50)

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ASTM LEVEL 3 TESTED BY NELSON LABS: PlastCare USA's Level 3 Guardian masks are tested by Nelson Labs in the United States.
4-PLY : PlastCare USA's Level 3 Guardian masks are made of not 3 layers but 4 layers!
100 MASKS: PlastCare USA's Level 3 Guardian masks come in boxes of 50 masks per box. This listing is for 2 boxes of 50 making it 100 total masks!
FIBERGLASS & LATEX FREE: PlastCare USA's Level 3 Guardian masks do not contain fiberglass or latex!