Passes the highest level of fluid resistance at 160 mm Hg. Consider for laboratory, pharmaceutical, animal handling, grinding, sanding, sweeping, bagging and other dusty operations. Adjustable M-noseclip allows for fewer pressure points, greater comfort and helps reduce eyewear fogging. Features braided headbands, soft inner material and 3M™ Advanced Electret filter media to help make breathing easier. Meets NIOSH 42 CFR 84 N95 requirements.