PlastCare USA 1000 ASTM Level 3 Face Masks 4-Ply, Disposable Safety Mask (Blue) - 20 Boxes of 50

PlastCare USA 1000 ASTM Level 3 Face Masks 4-Ply, Disposable Safety Mask (Blue) - 20 Boxes of 50

• 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!
• 50 MASKS: PlastCare USA's Level 3 Guardian masks come in boxes of 50 masks per box.
• FIBERGLASS & LATEX FREE: PlastCare USA's Level 3 Guardian masks do not contain fiberglass or latex!