Speedglas 523001 9100FX & 9100MP Visor Plate Anti-Fog PK-5

3M Speedglas Welding Filters The 3M Speedglas 9100 Welding Filter Series continues our tradition of outstanding optical quality, including uniform shading and minimal distortion across the entire filter viewing area. By selecting the right setting for each task, you reduce eye strain and improve the quality of every weld. Classification: 1/1/1/2 - Dark state: Shade 5, 8, 9-13 (variable) Fail-safe state: Shade 5 - Light state: Shade 3 Switching time: Light-dark: 0.1ms Delay (switching time dark-light): User adjustable 40-1300 ms Solar cell: No Conforms to EN379