P100 is only way to be sure
https://www.amazon.com/gp/product/B008MCUVN4/
amazon has those locked down and won't sell normally to regular people but you can buy the individual mask and filters either there or on other sites and just make your own
(another trick is some of them have "subscribe and save" on amazon and you can get an order in that way)
This is the product:
100X250X1.0MM 100% 3K Plain Weave Carbon Fiber Sheet laminate Plate Panel https://www.amazon.com/dp/B07BCBZZ2V/ref=cm_sw_r_other_apa_LS4rBb8GTXX14
This is the respirator I have. Would this be suitable?
3M Half Facepiece Reusable Respirator Assembly 6191/07001(AAD), P100 Respiratory Protection, Small https://www.amazon.com/dp/B008MCUVN4/ref=cm_sw_r_other_apa_jR4rBb5ZV3APA