P.O. Box 5323M 8511 Dust Mask with valve (10)
3M 8511 Dust Mask with Valve. Use for breathing protection from solids such as those from processing minerals, coal, iron ore, flour, drywall compound, and certain other substances. Also liquid and non-oil based particles from sprays that do not also emit oil aerosols or vapors. NOT FOR paint spray, gases, vapors, asbestos or sandblasting. 10 masks in a box.
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