Welding lens with auto-darkening filter, in good condition, with 5 protective plates. - Model: 3M Speedglas 9100XX ADF - Filter Type: Auto-darkening filter - Accessories: 5 protective plates - Condition: Good - Filter Number: 9100 The 3M Speedglas 9100XX Auto Darkening Filter Welding Lens is a top-of-the-line product designed for safety and comfort during welding tasks. This lens features advanced auto-darkening technology that adjusts the shade level automatically, ensuring optimal protection for the welder's eyes from harmful radiation and bright sparks. Key Features: Auto-darkening filter (ADF): Adjusts from light to dark in 0.1 milliseconds, providing seamless transitions for enhanced safety and efficiency. Multiple Shade Levels: Offers variable shades from 5 to 13, accommodating various welding applications and environments Large Viewing Area: The 9100XX model provides a generous 2.8 x 4.2 inches viewing area, allowing for a wider field of vision. Comfort and Fit: Designed ergonomically to provide maximum comfort, reducing strain on the head and neck during long hours of use