[EasySt]

I know I ordered (and already received) a couple of these
at the end of January, and they’re out of stock now.

Dust Masks Reusable Dust Pollution Mask with Active Carbon
N99 Filters for Pollen Allergy Woodworking Mowing Running
Outdoor Activities
https://www.amazon.com/dp/B081M2V8FD/ref=cm_sw_em_r_mt_dp_U_H9DpEb4TTSDCT

These still seem to be available:
3M Particulate Respirator 8233, N100
https://www.amazon.com/dp/B008MCV43K/ref=cm_sw_em_r_mt_dp_U_whEpEbB70MX2M

[bagster]

I think they were talking about the cheaper disposable ones that you see the heathen Chinee wearing these days.