3M 7581 Head Harness Assembly System Component, Case of 20 Our Most Popular Respirators and secure dual-strap system

and secure dual-strap system

wastewater treatment

Featuring a lightweight turbo unit

Does not include spark arrestor

3M Speedglas 06-0700-84 Extended Crown 9100 FX/9100 FX-Air

3M 7581 Head Harness Assembly System Component, Case of 20 Our Most Popular Respirators and secure dual-strap system3M 7581 Head Harness Assembly System Component Case of 20 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.