ASTM F3502 Masks Reusable 3-ply CDC Approved …
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CDC approved ASTM F3502 Masks. Barrier Face Coverings for workplace, business, travel & school. Nanotechnology electrospun replaceable filters 99% efficient 0.1 microns. Reusable, 3-ply, certified organic, breathable adult & kids masks. Contour fit, comfortable, wide chin wrap. F3502 ASTM masks in bulk. Ships USA