3M 7000052742 is a Replacement Parts & Accessories product compatible with 3M Supplied Air System. It offers enhanced comfort, enhanced durability, and includes accessories. With a silicone faceseal and six-point head harness, it provides a secure fit. The product features a full facepiece reusable design with a cool Flow™ exhalation valve for easy breathing. It also includes eye protection and a speaking diaphragm. The product is compatible with the FF-400 Series respirators and comes with spare parts, including a diaphragm assembly. Each case contains 5 boxes.