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4M Surgical Face Masks / Level 3 (Single box)

ASTM Level 3 surgical face masks consisting of 4 layers of protection. These masks offer quality construction, comfort, and breathability from a manufacturer with an FDA certification.  

These surgical face masks are made in Vietnam and meet ASTM Level 3 requirements. Testing performed by Nelson Labs in the US.

  • Bacterial Filtration Efficiency (BFE) > 99%
  • Particle Filtration Efficiency (PFE) > 99%
  • Fluid Resistance - meets ASTM 1862 standards (in excess of 160 mm Hg)
  • Latex free

Due to COVID-19, these masks are not refundable.

Each box contains 50 masks.


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