The masks use three layers of filtration to filter out at least 95% of all non-oil-based airborne particles. These 3M face masks, meantime, are also NIOSH-approved and are used to help filter out ...
US and 3M have a plan to produce 166.5 million masks over the next three months to support health-care workers in the United States Manufacturing giant 3M said it has an agreement with the Trump ...
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