The 3M 8210V 3M N95 Particulate Respirator Mask is designed to cover your nose, mouth, and chin, to protect you from certain particles in the environment, with the addition of the Cool Flow Valve for extra comfort. Featuring a lightweight construction, and a cushioned adjustable nose clip that helps provide a custom fit, this mask is great for wearing during dusty operations. The pack includes 10 masks to keep you well stocked.