Totobobo N96 Filter Pack 10s – By Medic Drugstore

N96 filter ? 96% filtration efficiency. Good Protection! High efficient, low resistance filter with sub-micron filtration performance.10 pairs in a sealed ziplock bag.Effective against: PM 2.5, air-borne pathogens, virus, car smog, cigarette smoke, silica, asbestos, pastel dust, marble dust, ceramic dust, cement dust, wood dust, pollen, spores, dust mites.Not suitable for: Voilitial Organic Vapour, ozone or CO.Time limit (take the shortest): Maximum usage: 14 days; Follow instruction of your supervisor or your worksite; When filter loaded with pollutant or color change to 50% gray, similar to the example indicated on the packaging.