OGDEN, UTAH, JUNE 1, 2021: 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 reusable half-face mask to receive this important certification.  Specifically, Makana Masks have been found to comply with ASTM F3502, “Standard Specification[...]