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.

I think I have already shared this with you, but I recommend #TransplantTwitter do a home DIY fit test of chosen respirators. You can use a nebulizer ($30), sweet ‘n low and a garbage bag. https://t.co/LINn5rfufo

— Philip Neustrom (@__philipn__) October 19, 2021

Perfume atomizer method

An inexpensive DIY method you can use at home:

You don't need to buy a whole fit testing kit, which cost ~$300. Here are instructions for a cheap DIY method using a cheap perfume atomizer that you can buy online. https://t.co/j1FcSyxgxy

— Denise Dewald, MD 🗽 (@denise_dewald) August 7, 2021

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