

N95 is one of NIOSH's ratings for particulate filter respirator protection standards. "N" means Not resistant to oil, and "95" means the filtration efficiency is 95% or above. In addition to 95, there are classifications of N99 (the filtration efficiency is not less than 99%) and N100 (the filtration efficiency is not less than 99.97%),n95 face mask yadu Wholesale Ultimate Guide.