> 3M P100 industrial respirator with a retrofitted exhalation valve filter
do you have the model number for this mask? why did you have to retrofit it?
do you have the model number for this mask? why did you have to retrofit it?
My 3M P100 filters incoming air, not outgoing. There's a valve for exhalation. I just wear a surgical mask over the valve.
> Assembly and Mechanical, Chemical Clean-up, Chemical Handling, Chipping, Chiseling, Cleaning, Furnace Operations, Grinding, Laboratories, Machining, Masonary, Painting, Pouring/Casting, Sanding, Sawing, Welding
They are intended to protect yourself from the environment, not the other way around. So they come with incoming filters only. To change that, a retrofit filter is needed.
https://www.3m.com/3M/en_US/company-us/all-3m-products/~/3M-...