Sold in packs of 5, our US-made, come in small and large size filters provide superior protection while maintaining breathability. Tested and certified in USA-based labs to filter up to 99% of airborne particulates including bacteria, dust, and pollen down to 0.1 microns.
For more information, please see below:
Questions about the Filter:
- What is the particle filtration rate on your US-Made Protective Mask Filters?
- It is effective against 99.19%* of airborne particles as small as 0.1 microns and includes superior droplet leak protection.
- What is the bacterial filtration rate on your US-Made Protective Mask Filters?
- It is effective against 95%* of airborne particles as small as 0.26 microns.
- What standards does this filter meet?
- These filters meet ASTM 2100 -11 Level 3 Standards.
- Are these filters certified for medical use?
- These filters are not certified for medical use.
- Do these follow the CDC guidelines for face coverings?
- Yes. They are not specifically CDC certified, but they follow the CDC's guidelines for face coverings. They are not certified for medical use.
- Where can I find the test results?
- Please find the test results here.
- What is this filter made of and where is it made?
- It is made of Medical Grade Polypropylene and is made in the USA.
- How do these compare to your PM2.5 Filter?
- This filter has a 99.19% Particle Filtration Efficiency (PFE) that can filter particles as small as 0.1 microns. The PM2.5 filters, when used properly with a multi-layered mask, have a 90% PFE and can filter particles as small as 2.5 microns.
- Why is this filter thinner than your PM2.5 Filter?
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This filter is thinner in order to improve breathability. There is no need to make it thicker because the filter is already of high filtration quality.
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- How large is the filter?
- Its dimensions are 4.5 in x 3.25 in.
- Why is this filter thinner than your PM2.5 Filter?
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This filter is thinner in order to improve breathability. There is no need to make it thicker because the filter is already of high filtration quality.
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Using your Filters:
- Which masks are these filters compatible with?
- As of now, the US-Made Protective Mask Filters are most compatible with our Performance Sports Mask, Organic Cotton Mask - Artist Print, and our Eco-Repreve Mask. These masks are the easiest to insert the filter into because they have dual openings.
It is not as easy to insert the filters into the Color Collection masks because this mask has one opening in the filter pocket. We are planning to release a tool soon to help make filter insertion easier for these masks.
- As of now, the US-Made Protective Mask Filters are most compatible with our Performance Sports Mask, Organic Cotton Mask - Artist Print, and our Eco-Repreve Mask. These masks are the easiest to insert the filter into because they have dual openings.
- How often should I replace the filters?
- Filters should be replaced every 7 days.
- Is it 7 days of use before replacing or 7 days from the first day of use?
For example, if I go grocery shopping on Friday and don’t use the mask again for the next 2 weeks, can I use the same filter?
- You should replace the filter after 7 days of actual usage, and we recommend keeping your filter in a clean, airtight bag (such as a Ziplock) while you are not using your mask or while you are washing your mask.
For example, if you use your mask for 30 minutes only one day on week 1, none at all on week 2, and then 30 minutes for six days on week 3, you only need to replace your filter at the end of week 3.
- You should replace the filter after 7 days of actual usage, and we recommend keeping your filter in a clean, airtight bag (such as a Ziplock) while you are not using your mask or while you are washing your mask.
- Are the filters washable?
- Filters are not washable and we recommend that you try to keep your filters dry. Getting your filter wet can lower its efficacy.
- What side does the filter go on?
- The filter works in both directions.
- Does this filter have a peel and stick type of design?
- No, it does not.
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