Introducing our innovative Internal Adjustable Auto Darkening Welding Filter! As a factory committed to delivering exceptional quality, this product is designed to enhance welding efficiency and safety. Featuring an internal adjustable mechanism, it allows you to easily control the shade level from 5-13, adapting to various welding processes and environments. This advanced filter ensures optimal visibility while protecting your eyes from harmful UV and IR radiation. Crafted with precision and durability, our Internal Adjustable Auto Darkening Welding Filter guarantees reliable performance for all your welding needs.