Disposable polypropylene filters
polypropylene + filters in wrapper
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Face Mask Filters - Polypropylene Plus - Disposable

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These disposable  filters are made of a three-layer lightweight composite filter media consisting of a polyester spunlace layer, tight network of FDA certified polyurethane nanofiber layer, and polypropylene spunbond layer.

These are disposable filters and should be replaced and disposed of after use.


  • 20 filters/pack
  • 4 1/2" X 4 1/2"
  • Insert filter in bottom opening of our masks, trim if necessary to fit your mask
  • One time use only, do not wash, discard after use


  • Spunbond : (Polypropylene ) (Shallower bond points - face inward)
  • Network of FDA Certified NanoFiber Technology (Polyurethane Polymer)
  • Spunlace : Polyester (Deeper bond points - face outwards)
  • According to manufacturer's data, filter efficiency is 95% efficient at 0.3 microns

- Due to hygiene and sanitary reasons, ALL SALES ARE FINAL, NO RETURNS.

Read our blog posts to help with choosing a style, fitting adjustments, etc.

For more detailed information concerning our face masks, please visit the product information page.