Went to 4 different pharmacies, 2 of them enormous. Couldn't find any masks/respirators on the shelves. In each case I asked a store helper person. Only in the 4th one I went to did they have anything, and in that case there was only one type of product available - a disposable N95 respirator by 3M. They cost $5 each.
How are you finding masks and affording to stay masked all the time? It seems really expensive...
I'm buying them in bulk online. Depending on your location, there will be wholesalers, and Amazon is probably dependable, although I've never used the latter.
https://www.amazon.com/3M-Particulate-Respirator-8210-Pack/dp/B008MCUZZS/
You don't have to worry about counterfeit when it's from the 3M store.