3M™ Cool Flow™ Valve Particulate Respirator 8511 Key Holders & Hiders 2 Contacts That Open When

2 Contacts That Open When The Liquid Rises Above A Designated Level

Silencer button quiets detector during unwanted alarms

making it perfect for camping and tailgating

Flat Aluminum Bar

Box type terminals

3M™ Cool Flow™ Valve Particulate Respirator 8511 Key Holders & Hiders 2 Contacts That Open WhenHighlights NIOSH APPROVED N95 for at least 95 percent filtration efficiency against certain non oil based particles and aerosols 3M COOL FLOW EXHALATION VALVE helps direct exhaled air downward and allows for easy breathing UP TO 50% EASIER BREATHING. Compared to non valved 3M 8200 Testing ADVANCED FILTER MEDIA for easy breathing ADJUSTABLE M NOSECLIP helps provide a custom and secure seal STRETCHABLE, BRAIDED HEADBANDS for comfort LIGHTWEIGHT DESIGN