KN94 Adult & Childrens Copper Oxide Mask

About the product: Copper Oxide impregenated filter mask for KN94 Protection [ Quality Materials ] - 4 Layer Ultrasonically Stitched copper oxide non-woven fabric meltblown cloth. [ Filtration efficiency ] - Greater than or equal to 99% effective filtration of particles with copper oxide non-woven fabric on contact killing germs directly also allowing the mask to be worn up to 60 times before replacement. [ Protective Capabilities ] - Dust Proof, Anti-Bacterial, Anti-Droplet, Anti-Fogging. [ Comfort and Breathability ] - Soft and skin friendly non-woven fabric is used on the inner side, which is non irritating and skin friendly with easy breathability. [ The Science of Copper Oxide Masks ] - Please check here to read research on copper oxide impregnated masks. Research Report on Copper Oxide Masks