This 3M Speedglas inside lens comes in a pack of 5. It's designed to shield the auto - darkening filter from sparks and spatter. Ideal for utility use and all 9000F or 9002D/9002V series Speedglas welding helmets, ensuring long - lasting protection for your gear.

How to use: Simply insert the inside lens into your 9000F or 9002D/9002V series Speedglas welding helmet. It fits easily and provides an extra layer of protection. Things to note: Make sure the lens is properly installed to avoid any gaps that could let in sparks. Maintenance advice: You can clean the lens with a soft, dry cloth to keep it clear. Replace the lens if it gets scratched or damaged to maintain optimal protection.