Frequently Asked Questions

On this link you can find detailed info for our  Shipping Policy If you have any additional question please let us know by using the Contact Us form!  
Many reasons to choose FDNS Nose Filters than a traditional dust musk:
  • More effective filtration  than most masks(up to 99.9% of Airborne Matter)
  • Much longer usage time before replacing (up to 24 hours per pair VS only 3-4 for traditional masks)
  • Much more discreet (barely visible from a short distance)
  • More easy to carry and store, especially during travel
  • Much more affordable for continuous  / long-term use
  • USA Made , Tested and Patented