3M 8511 N95 Mask Pack of 10

3M™ 8511 N95 Particulate Respirator Mask with Cool Flow Valve-Pack of 10   3M™ 8511 Pro Series Respirator w/Cool Flow™ Valve is a widely used disposable respirator. Cool Flow™ reduces heat buildup & an adjustable noseclip forms a secure seal. NIOSH-approved N95 for 95% efficiency vs. non-oil based particles & aerosols. Excellent for dust, particle, mold, pollen, & fiberglass insulation exposure. Durable & lightweight for longer-term comfort.