I am not advocating it for anyone else but I use enamels with just a Mask.
It is a P1 valved particulate mask that filters out things right down to particles of silica and asbestos and since I can't even see them, I figure if I can see enamel specks, they have to be bigger and this sort of mask will block them. I buy them in boxes of ten and they have a non return valve at the front. They even filter out animal proteins and pollens. I use them for a few sessions and then get a new one. I don't use enamels much at the moment tho' but will be in future.
Cheers
Kym
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