3M 2091 Filter Set for Half Face Respirators
3M's 2091 Pink Filter Set for half face respirators are able to filter out 99.97% of all airborne dust, liquid, or oil based particles that do not also emit harmful vapors, metal fumes from welding and biological particles. 3M recommends replacing filters after 40 hours of use. Set contains two filters.
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- Passes NIOSH's P-series test criteria providing a minimum of 99.97% filter efficiency tested against particles approximately 0.3 micron in size
- Filters are flame and water resistant
- Not recommended for filtration of gas and vapors or sandblasting media outside of a cabinet enclosure.