I don’t work for Canheal, in fact never heard of them until I got lucky one day on Amazon.
My mask is better than anything I’ve seen. How to make it? Watch the video below to see how I do it.
Well worth a mere 15 bucks and free shipping!
Read about why you need a good mask.
For children and small women, try the Medium size, for most men, go large: 
Canheal Dust Mask
If out of stock, try these links:
- older link for the Canheal mask
- another link for the same mask
They are
- lightweight
- tight fit
- 2 sizes
- easy to clean
Here are the things that I mentioned in the video:
- Activated carbon filters that come with are just for dust
- Must cover exhaust valve
- Must keep clean and dry, like any mask
- Replace regularaly as with any dirty mask filter
My full respirator post is here: this does not protect others, but it protects you against almost anything!
How to install a typical N95 hospital-type mask: