For those who may have missed it in Colorado Governor Jared Polis’ news conference moments ago, here is the link to how to make your own face mask: https://assets.website-files.com/5e8687e109a984d9804d137a/5e86c46597d63e941025fe33_Surgical%20Mask%20with%20Pocket%20for%20FilterRev1.pdf
If you don’t have a MERV 13 furnace filter, try a vacuum bag: https://smartairfilters.com/en/blog/best-materials-make-diy-face-mask-virus/
A quickie, 5-minute DIY temporary face mask with an EnviroCare vacuum filter, Gorilla tape and a so-fashionable bandana: