- ArcOne S540 Single Shade Auto-Darkening Welding Filters
- Vertical - 5" x 4"
- Viewing Area: 5.25"
- 2 independent sensors
- Light State: 3
- Dark State (Shade): 9, 10, 11 or 12 (select from listing)
- Dark to Light Delay: 0.2 seconds
- Switching Speed: 0.5 milliseconds
- Water and Dust Resistant
S540 Vertical Single Shade Welding Filters are designed to be the most economical, general use auto-darkening filters from ArcOne. S450 auto darkening welding filters are solar powered so there are never any batteries to change or charge. S540 5" x 4" welding filters feature an incredibly clear light state and are equipped with a dark to light delay of 0.2 seconds and up to shade 12 U/IR protection, depending upon selection.