When properly fitted these NIOSH approved particulate filters protect against a wide range of hazardous environments. Whether it's welding, brazing, torch cutting, or soldering these filters are a must have to keep you safe. Also protects against concentrations of lead, asbestos, cadmium, arsenic, and MDA up to 10x the permissible exposure limits (PEL) with half face pieces, and up to 50x the PEL with full face pieces. Lightweight and comfortable the 2091 P100 uses 3M's advanced Electret Media for easy breathing not found in traditional fiberglass containing filters. Also features a minimum filter efficiency of 99.97% as per 42 CFR 84 compliant testing. Please read and understand all Manufacturer guidelines before attempting to use this product and always exercise the strictest caution when in hazardous environments

Passes NIOSH P-Series test criteria

Useful for wide range of environmental hazards

Lasts for up to 40 hours of use or 30 days whichever comes first