3M Speedglas Protective Inner Windows are replaceable spare parts for 3M Speedglas Welding Helmets and are designed to protect the welding filter.
3M Speedglas Protective Windows inside are replaceable spare parts for 3M Speedglas Welding Helmets to protect the welding filter from sparks and welding spatter. Replace your existing 3M Speedglas Protective Inside Window when it is damaged or too dirty to clean. Clean regularly with a lint-free cloth, such as the 3M Cleaning Cloth. Check your equipment regularly for worn or damaged parts for maximum safety and comfort.