3M 8511 N95 Disposable Cool Flow Valve Particulate Respirator Mask - 10 Pack Liquidation Stock New & Boxed (box may be slightly tatty) Please click on the photos to see supersized images of the actual item being sold Use for particles such as those from grinding, sanding, sweeping, sawing, bagging, or processing minerals, coal, iron ore, flour, metal, wood, pollen and certain other substances. Liquid or non-oil based particles from sprays that do not also emit oil aerosols or vapors Collection Welcome Any questions – PLEASE email BEFORE purchase rather than after This sale is conditional upon us receiving payment within 3 days of purchase. Failure to comply with this condition will result in the sale being cancelled.