- 3M™ Cool Flow™ Exhalation Valve helps reduce heat build-up inside the respirator
- M-Nose clip adjusts easily for fewer pressure points and greater comfort
- Braided headbands' two-strap design with dual point attachment helps provide a secure seal
The 3M™ Particulate Respirator 8511 features a proprietary 3M™ Cool Flow™ Valve and helps provide comfortable, reliable respiratory protection. It is ideally suited for hot/dusty work settings that require long periods of wear.