Re: 4 Dec 2022 - Prime Wing Spars, Chase Threads of Wing Tanks, Dry Fit Fuel Fittings
Originally Posted by Jason Murphy
Wondering how frequently the charcoal filters should be replaced on a 3M Respirator.
It'll be obvious when you need a new filter. The odor of whatever you're working with will start to come through. In my experience (with Acetone) it's quite sudden.