The lightweight, disposable N95 3M 8511 Particulate Respirator is designed to help provide quality, reliable worker respiratory protection for certain non-oil based particles. When you wear this mask you will notice the additional comfort because of the 3M Cool Flow valve. This mask was designed for use in grinding, sanding and buffing applications. Whether you are sanding in a cabinet shop, grinding in a metal shop or buffing you will be more comfortable and safe using the 3M 8511 Particulate Respirator. 3M uses a variety of innovative technologies and features to help you meet your respiratory protection and comfort needs. The N95 3M 8511 Particulate Respirator incorporates 3M's proprietary technology with advanced electrostatically charged microfiber filter media, designed for ease of breathing. The soft inner material provides added comfort while the cup shape design makes the respirator spacious and durable. These features, along with the braided headbands and adjustable M-noseclip, are designed to enhance user comfort and help increase wearability.User Instructions3M Mask Fitting Instructions3M Cool Flow Brochure3M 8511 MSDS