N95 Respirator Basics


N95 respirators are part of a family of respirators which filter airborne hazards. The letter N means the respirator does not filter oil. The 95 indicates the percentage of particulates it can filter. N99 and N100 filters are similar, but remove higher percentages of particulates. Those designated R are partially resistant to oil. Respirators with the letter P are fully resistant to oil. HE respirators are High Efficiency. NIOSH is the government agency which rates …

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