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Fresh-Air III Cooling Valve can decrease air temperature by up to 50°F (28°C)
and critical infrastructure protection scenarios
Ideal for specialty vehicle
Use with 3M Full Facepieces 7000 Series
3M SecureFit Full Brim Hard Hat H-804SFR-UV, Green 4-Point Pressure Diffusion Ratchet Suspension, with Uvicator, 20 ea/Case Essential Half & Full Masks Fresh-Air III Cooling Valve canThe 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
