3M 7000002049 is a Replacement Parts & Accessories product that is not compatible with 3M PAPR Systems or 3M Supplied Air Systems. It does not have accessories, a clip-on welding shield, enhanced comfort, or a Cool Flow Exhalation Valve. It also does not offer eye protection, spare parts, a speaking diaphragm, enhanced durability, a silicone faceseal, a six-point head harness, or a drop-down feature. The facepiece type is a Half Facepiece Reusable, and the spare part type is an Inhalation Valve. Compatible with the 6000 Series respirator from 3M.