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3M 6000 Series Half Facepiece Respirator, Medium
3M CHIMD
This lightweight half face respirator provides protection against particulates. The mask's NIOSH rating indicates that the filters provide a minimum of 99.97% filter efficiency for airborne particles. Medical professionals use N95 masks when they expect to come in contact with SARS and other contagious diseases. These filters, P100, are more secure than even the N95 filters.
3M 8511 Particulate N95 Respirator with Valve, 10-Pack
3M
Amazon's current #1 best seller, this respirator is made by 3M. The valve resists both heat and moisture and is is approved by the federal government (NIOSH), having passed their strict performance standards and have been certified. That certification means that the respirator has passed stringent government performance standards including filtration efficiency testing and provides at least 95% filtration efficiency solid and liquid particles that do not contain oil.