3M's 8511 Disposable N95 Respirator w/ Cool Flow Valve (2 Pack) combines a molded cup-style design with a cushioning nose foam and adjustable noseclip to help improve the facial seal and wearing comfort. Its four-layer construction is designed for reliable particulate filtration while maintaining relatively low breathing resistance during work. The respirator is particularly useful for DIYers and professional tradesmen working around nuisance dust, drywall particles, sawdust, and other non-oil-based particulates. Proper fit is essential to achieving the stated level of protection, and the respirator should be selected and used as part of an appropriate respiratory protection program whenever workplace hazards require it
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