A well-fitting elastomeric respirator is something everyone should have on hand for emergencies. [1] Primarily for infection prevention, since a future pandemic could be much worse than covid, though they're also useful for smoke. There are a lot of options, though, and which one is best for you depends on the size and shape of your particular face. To help people figure out what they should get, I'll be hosting a fitting session in Somerville on 2025-05-22; write jeff@jefftk.com for location. Drop in any time between 7:30 and 9:30pm.