The brand says that smoke particles are trapped by the HEPA filter, and toxic gasses are quickly removed with activated carbon, while PECO provides another layer of protection by destroying the organic substances that are common in wildfire smoke
it looks ok
Gale N, McEwan M, Eldridge AC, Fearon IM, Sherwood N, Bowen E, McDermott S, Holmes E, Hedge A, Hossack S, Wakenshaw L, Glew J, Camacho OM, Errington G, McAughey J, Murphy J, Liu C, Proctor CJ (2019) Changes in biomarkers of exposure on switching from a conventional cigarette to tobacco heating products: a randomized, controlled study in healthy Japanese subjects
A pair of tweezers or a small vacuum cleaner may help get rid of debris without damaging the outlet