Support lookup
Start with the closest match below. Detailed compatibility, parts tables, and troubleshooting stay farther down the page so the first screen stays easy to scan.
Use this path first, then open the detailed page only after the support family is clear.
Home > Personal Protection Support Main > ArcOne
Start with the replacement lens page, then confirm the lens size, shade, and helmet shell before ordering.
ArcOne replacement lens support
ArcOne S240 2 x 4 lens shades
Shop tip: helmet flicker often starts with cover lens condition, blocked sensors, weak batteries, or shade setting before cartridge replacement.
The most useful nearby paths, kept short for fast scanning.