The Optrel 5000.212 Front Cover Lens is designed to protect and extend the life of your welding helmet. These clear front cover lenses are compatible with Optrel e684, e680, e670, e650, e640, and OSC welding helmets, providing reliable clarity and protection during use. Each package includes 5 lenses, ensuring you're equipped for extended welding sessions and multiple replacements. Key Features: ● Clear front cover lenses for excellent visibility. ● Protects the welding helmet lens from damage. ● Compatible with e684, e680, e670, e650, e640, and OSC models. ● High-quality lenses designed for long-lasting performance. ● Package includes 5 lenses for multiple replacements.