NIOSH, a federal government regulatory agency, has tested and approved the 6000 Series with 3M cartridges, filters or supplied air systems to help reduce breathing certain airborne contaminants. 3M 2091 P100 Particulate Filter with Organic Vapor has exceptional 99.97 % filter efficiency and meets NIOSH P100-series test criteria Versatile protection against many oil and non-oil-based particulate contaminants. When properly fitted, this respirator helps provide protection in a variety of applications including welding, brazing, torch cutting, metal pouring, soldering, and exposure to lead asbestos, cadmium, and arsenic, at concentrations up to 10 times the Permissible Exposure Limit (PEL). This respirator is remarkably comfortable, soft, and lightweight, and features easy-to-adjust head straps. Easy-to-adjust head straps allow for a customized fit to the user. The swept-back design of the cartridges helps improve balance and visibility. Breathing hazardous particles, gases and vapors can be harmful to your health. , The 3M 6200 respirator mask helps reduce exposure to many contaminants. Enhanced comfort and visibility features make wearing the respirator noticeably more enjoyable. Reusable design. Get the job done without frequent change-outs.