3M SecureFit Hard Hat H-708SFV-UV, Grey, Vented, 4-Point Pressure Diffusion Ratchet Suspension, with UVicator, 20 ea/Case Peltor Accessories and on the 3M Head

and on the 3M Head Harness FF-400-04

3M 7581 Head Harness Assembly System Component - Case of 20

construction

this system has audible and visual alarms that signal low airflow and low battery charge

smooth finishes

3M SecureFit Hard Hat H-708SFV-UV, Grey, Vented, 4-Point Pressure Diffusion Ratchet Suspension, with UVicator, 20 ea/Case Peltor Accessories and on the 3M HeadThe 3M SecureFit H Series Hard Hats provides 3M innovation in comfort while maintaining the traditional cap and full brim design that many prefer. If you wear a hard hat for a full shift, you want it to be comfortable and fit properly. 3M recognizes this and has responded by designing a suspension system that self adjusts to the wearer as the ratchet is tightened. Chosen 9 times out of 10 over current conventional hard hats*, this suspension system