Sell facemask kn95 PREMIUM QUALITY 5PCS/10pcs/15pcs/box 2021 best price

kn95 disposable protective mask odorless non irritating NOT individually packed makapal po protection against certain particles In general, N95/KN95 refers to masks (respirators) with filtration efficiency of non-oily particles ≥95. Medical Support COD respirator/medical N95 takes into account the special requirements of the medical environment, adding liquid barrier requirements on the basis of filtration efficiency of non-oily particles ≥95. ● N95: compliance with 42CFR Part 84 Respiratory Protective Devices, NIOSH (national institute of occupational safety and health) Filtration efficiency of non-oil particles ≥95. KN95: in line with China's standard gb2626-2006 respiratory protective equipment -- self-imbibition filter anti-particulate respirator; Filtration efficiency of non-oil particles ≥95. The specific technical requirements and test methods of the filtration efficiency of non-oily particles in N95 and KN95 standards are basically the same, and the protection effect is basically the same, but it belongs to the standards of different countries. The N95 material KN95. ● medical respirator: in line with China's standard gb19083-2010 medical respirator; According to the filtration efficiency of non-oily particles ≥95, ≥99%, ≥99.97%, corresponding to "level 1", "level 2" and "level 3" respectively; To liquid cut off have a requirement, have the action that cuts off blood, humoral, spatter, and do not allow to have exhalation valve. ● medical N95: generally refers to the masks that reach N95 level and meet the medical standards; By us standards, it should be N95 certified by NIOSH and FDA; Measured by Chinese standards, it should conform to gb19083-2010 medical protective masks.