Respirators for OAV

Does anyone know where to get respirators for oxalic acid vaporization? I believe there are specific ones for protection against acids. I know that respirators are being prioritized for the current pandemic, but I’m just wondering if there’s any way to get just one respirator in time for summer and fall OAV treatments. Acid respirators have either vanished (acid respirators protect against the virus? :thinking:) or the prices have skyrocketed.
Anyone know of any suppliers or have found another kind of alternative to protect yourself from OAV vapors?

I have one, but I never use it now. Just stand upwind, like you would with your smoker, and you will be fine. I got mine from Mann Lake:

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