BISS: 3M(TM) Speedglas(TM) Fresh-Air III Supplied Air System with V-300 Air-Regulating Valve and Speedglas Welding Helmet 9100 MP with Hard Hat, Side Windows and Large Size Auto-Darkening Filter 9100X- Shades 5, 8-13, Model 27-5902-20SW - 3M

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BISS: 3M(TM) Speedglas(TM) Fresh-Air III Supplied Air System with V-100 Vortex Air-Cooling Valve and Speedglas Welding Helmet 9100 MP with Hard Hat, Side Windows and Extra-Large Size Auto-Darkening Filter 9100XX, Shades 5, 8-13, Model 27-5702-30SW - 3M

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BISS: 3M Speedglas Fresh-Air III Supplied Air System with V-100 Vortex Air-Cooling valve and Speedglas Welding Helmet 9100-Air, 25-5702-30SW with SideWindows and Auto-Darkening Filter 9100XX, Shades 5, 8-13 - 3M Industrial Market Center

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