- One-way Cool Flow™ exhalation valve
- M-nose clip
- Welding Web all filter design
The 8515 provides comfortable respiratory protection from particles. The Patented one-way 3M™ Cool Flow™ Exhalation Valve, M-Nose clip and lightweight construction offer cooler, dry comfort and a secure fit. The 8515 features an all-filter design of 3M™ Welding Web. The fiber media and protective layers of this respirator are flame resistant.