3M SecureFit Hard Hat H-707SFR-UV, Hi-Vis Orange, 4-Point Pressure Diffusion Ratchet Suspension, with UVicator, 20 ea/Case Welding Apparel Replacement zero gas cylinder for

Replacement zero gas cylinder for the 3M Calibration Kit 529-04-49

Featuring an ergonomically-designed head suspension

and multi-gas/vapor protection combined with P100 particulate filtration

NIOSH approved for environments containing certain oil and non-oil based particles

Thanks to improved optics

3M SecureFit Hard Hat H-707SFR-UV, Hi-Vis Orange, 4-Point Pressure Diffusion Ratchet Suspension, with UVicator, 20 ea/Case Welding Apparel Replacement zero gas cylinder forThe 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