3M Disposable Filtering Facepiece Respirators- หน้ากาก 3m p100 ,(99.97%), R100 or P100. The number 95, 99, or 100 indicates the percent NIOSH filtration efficiency. 1. 3M recommended for relief against nuisance level acid gas or organic vapors. Nuisance levels are less than OSHA PEL or applicable government occupational exposure limits, whichever is lower. Used in particulate environments3M Disposable Filtering Facepiece Respirators(99.97%), R100 or P100. The number 95, 99, or 100 indicates the percent NIOSH filtration efficiency. 1. 3M recommended for relief against nuisance level acid gas or organic vapors. Nuisance levels are less than OSHA PEL or applicable government occupational exposure limits, whichever is lower. Used in particulate environments



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