Check the listing for details. 10/50/100/200 Pcs Blue KN95 Protective 5 Layer Face Mask Disposable KN95 Marks. Condition: New. Listed at 34.98 USD. Buy KN95 face masks online that are CE certified, genuine, and made in accordance with industry standards. 5-ply foldable KN95 masks have up to 95% filtration efficiency of non-oily suspended particles of 0.3-micron levels. Ideal for daily use, helping prevent the spread of germs and protect yourself from airborne particles, viruses, pollen, and other allergens. What is a KN95 mask? The KN95 face mask (commonly misspelled K95 masks) is a lightweight and comfortable respirator mask with ear loops and an adjustable nosepiece for a secure fit and seal. KN95 masks are used in a variety of industries such as food processing, medical, hospitals, general manufacturing, heavy infrastructure, mining, oil & gas, and transportation. KN95 mask with filter. Filters at least 95% of airborne particles (0.3 microns) particles.