To participate in this challenge please complete the two questions and submit your contact details below.
This photo is shot through a 9100XXi welding filter. How many red 3M logos can you see within the welding filter view?
In which year was the first Speedglas auto-darkening filter introduced to the welding industry?
Thank you for contacting 3M. We will be in touch within 48 hours or 2 business days.