3M Spectacle Kit Insert CS-450

Made in the USA


For use in the 3M 400 Series and Ultimate FX Full Facepieces.
Product of America as a complete unit.
Only 3M Authorized Spectacle Kit Insert

Older Original

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New insert design offers:

  • Thick spring wire system for greater stability and memory.
  • New frame adjustment system – In/Out, Up/Down.