3M SecureFit Hard Hat H-711SFR-UV, Tan, 4-Point Pressure Diffusion Ratchet Suspension, with Uvicator, 20 ea/Case N100 & P100 Masks Accuracy of +/-25% at a

Accuracy of +/-25% at a 95% confidence level for many workplace contaminants

integrated Uvicator technology for UV exposure monitoring

flow indicator

construction sites

a large scratch-resistant lens

3M SecureFit Hard Hat H-711SFR-UV, Tan, 4-Point Pressure Diffusion Ratchet Suspension, with Uvicator, 20 ea/Case N100 & P100 Masks Accuracy of +/-25% at aThe 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