Fit testing at home methods

Some low cost options to test your mask / respirator for a good fit. (This is different from the user seal check that you should do every time you put it on to ensure a good seal is formed with no gaps or leaks)

Nebulizer method

Based on the US ARMY method, you can do a decent fit test on your mask / respirator at home using a nebulizer ($30), sweet ‘n low and a garbage bag.

Perfume atomizer method

An inexpensive DIY method you can use at home:

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