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All the benefits of the Speedglas welding helmet 9100 in combination with Fresh-air-C supplied air regulator
Possible to lock-in any shade, e.g. in the light state 3 when grinding
The 3M™ Speedglas™ 9100 Air Welding Helmet with 3M™ Fresh-air-C Regulator, 56 88 25. Welding filter 9100XX (73x107 mm). Variable shade 5, 8, 9-13.