What Mask Filters Should We Sell?

As you probably know by now etee stands for everything touches everything else.  Our goal is that all our products come from the earth and return to the earth, meaning biodegradable, eco-certified ingredients (non-toxic) and plastic-free.

Now that we're in the middle of a Global Pandemic, we are challenged with the desire to stay true to our mission, while also providing the protection people deserve.

You see, while Our FaceMasks fit perfectly with this mission - they are made with GOTS certified organic cotton and they are reusable - it is recommended to use a filter to ensure the masks provide maximum protection.


So we've been looking at filter options and the quickest to get in stock, cheapest and most tested is the disposable/single-use PM2.5 multi-layer, activated charcoal filter (with layers of synthetic melt-blown fabric), BUUUUT it's single use and it won't biodegrade any time soon.


At the other end of the spectrum is a cotton filter that is more expensive, will take longer to bring to market and is not as proven. 

Reusable antibacterial cotton filter - set of 4 for $12.00USD. SLOW TO MARKET, BIODEGRADABLE, EXPENSIVE and unproven.


Another option that has been popping up in DIY circles is the Coffee filter.  It is - as yet - unproven, but it would be biodegradable and less expensive to produce.  

Disposable paper filter (coffee filter type) - set of 20 for $5.99. REASONABLE SPEED TO MARKET, BIODEGRADABLE, UNPROVEN

Soooo, with this in mind, we're feeling that in light of the Pandemic, it makes most sense to get the PM2.5 filter to market as quickly as possible while we continue to look into the more sustainable options; both from an 'ecological footprint' perspective AND from a functionality perspective.

We always LOVE to hear your perspectives though, and we read all of your comments and take everything you say into consideration, so....

Let us know your thoughts in the comments below!

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  • We’ve been using coffee filters. Reasonably effective and not too hard on the environment. Seems like a pretty good balance all things considered.

    Harriet Clare on
  • I understand that using a layer of sew – in interfacing, ( not the iron – in type) when making masks ,provides a good filter. Is this correct? I also came across an article touting the use of hepa vacuum filters to construct masks, immediately followed by a warning not to do this, as the filter contains fibreglass. What can you tell me about these ideas? Also, I’m sure that the vacuum filters are not biodegradable, perhaps the interfacing as well.

    Lois Hosein on
  • I made some masks and acquired the charcoal masks a few weeks ago. I tried out the combo while trying to train someone at work (with appropriate physical distancing) so I was talking alot. I felt like I wasn’t getting enough air after a while. If the mask does not sit flat on your face, like the N95 masks, it would probably easier to breath. When I was wearing the mask to shop, and not talking much, it was fine.

    Cat Ransom on
  • I love your products and have used many over the years.
    I am a nursing supervisor for a large agency that provides support to people with intellectual disabilities.
    We are using any type of ppe we can obtain.
    Currently I am using air conditioner filter pieces in our cloth masks.
    We are reusing all of the ppe multiple times except gloves.
    Even the N 9 5masks.
    I would order your pm2.5 filters to help you but one time use has disappeared here.
    Wishing you all the best !

    KIm Sarmuk on
  • Hi. Veterinary researcher here… I second the coffee filters are fiiiine comment from the front line worker (you’re a hero, Sarah!) There are also some thicker shop towels which have been found to work, so folks can use those for now while you all stay true to your mission. Remember folks: wash your hands, keep your distance, wear a mask when you go out (the right way), and keep dirty hands away from your face. Stay well!!

    Evelyn S. on

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