This pack of five 3M Speedglas anti-fog visor plates (part number 523001) is designed for use with the Speedglas Flip-Up Welding Helmet 9100 FX, 9100 FX Air, and 9100 MP Air models. These visor plates serve as grinding covers, protecting the user from sparks and debris during grinding tasks.

The clear, curved visor plates provide a 170 x 100mm viewing area, ensuring good visibility while working. The overall grinding visor dimensions are 225 x 110mm. It is recommended to replace the grinding cover plates every 2 to 4 weeks depending on usage or whenever they become scratched or difficult to see through, maintaining optimal safety and clarity.

These anti-fog plates help reduce fogging during use, enhancing comfort and visibility in demanding welding and grinding environments.