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 15420 Dynafile III Abrasive Belt Tool
3M 07001, Half Facepiece Reusable Respirator Assembly 6191/07001(AAD), P100, Small, 7010383694, 24 EA/Case 
