This disposable N95 particulate respirator features the proprietary 3M Cool Flow Valve and helps provide comfortable, reliable worker respiratory protection. 3M Particulate Respirator 8511, N95 3M Particulate Respirator 8511, N95 is a disposable particulate respirator that is designed to help provide reliable respiratory protection of at least 95 percent filtration efficiency against certain non-oil based particles. The respirator is designed for use for particles such as those from grinding, sanding, sweeping, sawing, bagging, or other dusty operations. This respirator can also help reduce inhalation exposures to certain airborne biological particles (examples: mold, Bacillus anthracis, Mycobacterium tuberculosis), but cannot eliminate the risk of contracting infection, illness, or disease. Soft inner material provides added comfort while the cup shape design makes the respirator spacious and durable. Braided headbands and an adjustable M-noseclip are designed to help enhance user comfort and increase wearability. The respirator incorporates 3M's proprietary technology with advanced electrostatically charged microfiber filter media designed for ease of breathing. This respirator is compatible with a variety of protective eyewear and hearing protection. Features: NIOSH approved for at least 95 percent filtration efficiency against certain non-oil based particles 3M Cool Flow Exhalation Valve reduces heat build-up inside the respirator Adjustable M-noseclip reduces potential for eyewear fogging Braided headbands two-strap design with dual point attachment helps provide a secure seal 3M Cool Flow Exhalation Valve reduces heat build-up inside the respirator Spacious and durable Designed to increase comfort and wearability Advanced Electret Media is designed for ease of breathing