Cobalt Blue 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