The Optiva 540 auto-darkening welding filter was specifically designed for light maintenance or the do-it-yourselfer. A variable shade 9-12 with a light state of 4 that offers the capability of TIG welding down to 10 amps. Other features include: 5.25 sq. in. active viewing area Switching speed of 0.1 milliseconds Solar powered - no batteries to change Water and dust resistant Dark to light state delay of 0.1 seconds Up to shade 16 UV/IR protection
The Optiva 540 auto-darkening welding filter was specifically designed for light maintenance or the do-it-yourselfer. A variable shade 9-12 with a light state of 4 that offers the capability of TIG welding down to 10 amps.
Other features include:
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