•3M Speedglas Welding Helmet 9100 MP with 3M Speedglas Fresh-Air III V-100 Vortex Air-Cooling Valve Supplied Air System • Belt-mounted V-100 air-cooling valve lowers headgear temperature by up to 50°F (28°C) • APF of 25 helps reduce exposure to particles and vapors • Side windows allow for better peripheral vision • Requires grade D breathable air source • Applications include assembly, assembly and mechanical, facility maintenance, grinding, machine operations, metal repair, sanding, and welding • Meets requirements of ANSI Z87.1-2010 and NIOSH
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