3m Respirator Question

[scandomfo]

I had this respirator for about a year now or more but I know it is less than 2. But my question is, when do you replace those plastic cartridges that is the filter. Thanks in advance. Mods, you can close this thread whenever or when I get my answer

 

[waterNIG]

i change mine every month...

 

[Loess]

You need to change the cartridges after 40 hours of use, or after 3 months, whichever comes first.

 

[scandomfo]

hahhaha oh crap..... i need to change it then

 

[CPU64]

Unless you're in a real world situation like automotive painting, you don't need to change them as often as indicated.
Especially if your main use is with resin which won't clog the filter like paint and clear coats will.
As long as you can't smell whatever you're working with, you're fine.

(In a spray booth, you kinda need to change it after each car painted because of the amount of paint in the air.)

 

[scandomfo]

Ok thanks. I know i haven't been smelling anything while I am wearing it. So I guess that is a good sign.