Our factory produces the best quality Auto Darkening Automatic Welding Filters/Lenses for your welding helmet or glass. This product is perfect for welders who want to protect their eyes from harmful UV and IR rays while welding. With an auto-darkening feature, the filter/lens will darken right before welding starts and lighten when welding is finished. Our factory uses the latest technology to produce high-quality filters/lenses that meet all standards. If you're looking for a reliable product that will keep you safe while welding, our Auto Darkening Automatic Welding Filter/Lens is the perfect choice.