Mask filtration efficacy

[Anonymous]

Just thought I'd share in case anyone else finds this helpful...



from wirecutter:
https://www.nytimes.com/wirecutter/reviews/best-cloth-face-masks/

[Anonymous]

Thanks for this!

[Anonymous]

Are Happy Masks cloth masks?

[Anonymous]

Anonymous wrote:Are Happy Masks cloth masks?

Yes.

[Anonymous]

You can also add filter material to any face mask and increase the efficacy - you don’t have to buy these brands

[Anonymous]

Anonymous wrote:You can also add filter material to any face mask and increase the efficacy - you don’t have to buy these brands

Only if the design is such that air doesn’t go around either the mask or the filter. Good luck!