How long do filters last?

Stephanie Sousa Updated by Stephanie Sousa

There is no set length of time for filters. It depends on the rate of exposure. As a rule, replace your filters when you are no longer able to breathe comfortably.  Here is a blog post that should help if you'd like more information.  

How did we do?

What filter/cartridge do I need for my respirator mask?

I need an N95 mask.