Cobalt Blue Metal Working Filter Lens, Large 4.5 x 5.25


Replacement Lenses for Large Window Welding Helmet in Cobalt Blue/Neotherm Shades 4, 5, 6 and 8. The lenses absorb UV Radiance, and harmful Infrared Emissions in the 780 to 2000nm range and can be used with Temperatures ranging from 1,290 to 1,800° Celsius. All of our Neotherm Lenses are certified to EN 166 and EN 171 standards.  Do Not Use These Lenses for Welding Applications

  • Size: Large Welding Helmet Size
  • Dimension: 4.5″ x 5.25″
  • Shades Available: 4, 5, 6, and 8
  • Uses: Furnace Observation and Torching and Brazing



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