These masks were just given Level 3 (ASTM F2100-19) status* by an independent testing provider. They provide HIGHER than 98% BFE (Bacterial Filtration Efficiency) and HIGHER than 98% PFE (Particulate Filtration Efficiency), and withstand greater than 160 mmHg Synthetic Blood Penetration pressure.
There are 50 per box and 20 boxes per case if you would prefer to purchase in cases of 1,000 masks.
Email for pricing on of 10,000 or more.
*This is not printed on the box but we can provide a copy of the test results to show the Level 3 results.