â–¶ 3M™ Particulate Respirator 8577, P95 is a disposable particulate respirator that is designed to help provide reliable respiratory protection of at least 95 percent filtration efficiency against certain oil and non-oil based particles. â–¶ Carbon layer reduces exposure to nuisance levels of organic vapors such as solvents, degreasers, and resins. â–¶ 10 pieces/box â–¶ Cup style. â–¶ 3M™ Cool Flow™ Exhalation Valve helps reduce heat build-up inside the respirator. â–¶ Suited for work situations involving heat, humidity, or long periods of wear. â–¶ NIOSH approved P95 for at least 95% filtration efficiency against certain oil and non-oil based particles. â–¶ Carbon layer reduces exposure to nuisance levels of organic vapors. â–¶ Braided headbands are designed to help enhance comfort and increase wearability. â–¶ M-Noseclip adjusts easily for fewer pressure points and greater comfort. â–¶ Advanced Electret Media is designed for ease of breathing.