"Recommended Application" for one of these masks: > Assembly and Mechanical, Chemical Clean-up, Chemical Handling, Chipping, Chiseling, Cleaning, Furnace Opera

"Recommended Application" for one of these masks: > 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-Half-Facepiece-Reusable-Respirator-6200-07025-AAD-Medium-24-EA-Case/?N=5002385+3294780295&rt=rud https://www.3m.com/3M/en_US/company-us/all-3m-products/~/3M-...