Should be, but the more expensive disposables with an exhale valve are a lot easier to work in for any length of time.

The plain masks tend to dampen with moisture from your exhaling and that raises the humidity of the air you then breath in.

You do know the material really was developed by 3M for forming bra cups, but they could not find a market for them.

"You do know the material really was developed by 3M for forming bra cups, but they could not find a market for them. "

Seriously?
I can see if 3M married it with their Post-It Note type of adhesive, they might be able to sell some type of "Hide Your Money" item through the Magellan's catalog. :-)

Thanks for the tip about the exhale valve ones. I happen to have a few of the 3M N95 plain ones already, so I can start out using those and not have to make a special trip to the store.

Thanks brickeyee, you're the best!

Moldex makes a good one. If you want more protection get the N100.

Here is a link that might be useful: Moldex N95

There is wet sanding.

Then, of course, there is a learning curve.

And little or no need for a respirator, at all.

"There is wet sanding."

Does not work with setting type joint compounds.
Once they set they do not dissolve again.