DSW Posted February 24, 2016 Share Posted February 24, 2016 Dust masks are fine for some operations. I keep a box of 3m 8511 ones with the little exhaust vents, on the truck and at the shop all the time for some uses. However they don't seal any where near as well as a good respirator or stop any where close to what good respirators can. I keep a 3M 7500 half mask respirator both in the truck and at the shop for those other uses like fumes, welding, chemicals and so on. I'll use masks for grinding and generic dusty jobs. Quote Link to comment Share on other sites More sharing options...
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