9100V Auto-Darkening Filter 3M Speedglas
Features :
1. All brightness levels can be “locked”
2. For all 3M Speedglas 9100 series welding helmets
3. Uses in medium light conditions (brightness level 5)
4. Spot welding comfort mode helps reduce eye fatigue from constant light adjustments
5. Delay function allows you to set a delay for the welding filter to return from dark to light