December 13, 2005
The retrofit, 5 - by 4 -in. variable-shade autodarkening replacement lens from Weldmark fits most 5- by 4-in. welding helmets.
The solar-powered lens includes a battery backup and has a 1.90- by 3.74-in. viewing area. Shade settings are 9 to 12, and the lens has adjustable sensitivity and delay.
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