3M™ Cool Flow™ Valve Particulate Respirator 8511 Size:One Size Fits Most - 10 pk with our superior O-ring

with our superior O-ring

90 lb breaking load provides strength and durability

For use with temperatures from -20° to 300° F

Environmentally preferable treatment process

Dawn and dusk photocell timer programs up to 4 feed times per day from 1 to 20 seconds

3M™ Cool Flow™ Valve Particulate Respirator 8511 Size:One Size Fits Most - 10 pk with our superior O-ringHighlights 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