3MR8214 / 8214 RESPIRATOR DISPOSABLE N95 WELDING 3M™ Particulate Respirator 8214, N95 The 8214 is well suited for maintenance welding operations, torch cutting, brazing, soldering, and metal pouring. Wear-oriented features include patented advanced electret media, 3M™ Cool Flow™ Exhalation Valve, adjustable straps, conformable faceseal and cake-resistant filter material. Provides relief from nuisance level organic vapors, and ozone protection. Nuisance level refers to concentration of organic vapors that do not exceed OSHA PEI or applicable exposure limits, whichever is lower. 3M recommeded for ozone protection up to 10 times the OSHA PEI or applicable exposure limits, whichever is lower. (Not NIOSH approved for ozone). Made in USA. NIOSH 42CFR84 approved. Sold per box.