The 3M Head Harness Assembly 7581, Respiratory Protection System Component, works with 3M Half Facepieces 7501, 7502, and 7503 (all sold separately). This harness is easy to install as a replacement part. This replacement part can extend the service life of respiratory protection equipment and potentially result in cost savings.

Dynabrade 11476 Dynabelter Abrasive Belt Tool, Heavy-Duty
3M 54146, Full Facepiece Reusable Respirator 6800 Medium, 7000002030, 4 EA/Case 
