3M 7000051848 Half Facepiece Respirator is a high-quality product designed to protect against gas and vapors. This maintenance-free respirator is not compatible with 3M PAPR Systems or Supplied Air Systems. It does not come with any accessories or a clip-on welding shield. The respirator features a permanent connection type and does not have a cool flow™ exhalation valve. The large-size facepiece is made of thermoplastic elastomer and comes with a faceseal for added protection. It includes a yellow NIOSH-approved filter for organic vapor and acid gas protection. The respirator has an assigned protection factor of 10 and is suitable for use in environments with chlorine, chlorine dioxide, hydrogen chloride, hydrogen fluoride, hydrogen sulfide, and sulfur dioxide. The 4-point adjustable buckle straps ensure a secure fit.