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Welcome To IANS Live - INTERNATIONAL - Taliban captures another district in Afghanistan

Popular provincial park near Toronto is turning away visitors due to crowds

Makana Mask Is First Elastomer Reusable Half-Face Mask to Receive Nelson BFC Certification

Share this article Share this article OGDEN, Utah, June 2, 2021 /PRNewswire/  Makana Masks, the American manufacturer of innovative reusable safety masks, has received certification from Nelson Labs as a Level 1 Barrier Face Covering. Makana is the first and only elastomer reusable half-face mask to receive this important certification. Specifically, Makana Masks have been found to comply with ASTM F3502, Standard Specification for Barrier Face Coverings. To achieve this standard, masks undergo a sodium chloride aerosol challenge (NaCl) to evaluate filtration efficiency, as well as an airflow resistance test to measure breathability. Having met Level 1 standards, Makana Masks are now advancing to Level 2 testing.

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