3M 8511 Particulate Respirator with N95 Mask Exhalation Valve Unit of Measure:10/Box Two sizes: Handles for ball

Two sizes: Handles for ball valves from 1/2" to 8"

Added carbon layer helps filter out nuisance levels of ozone and organic vapors (less than OSHA PEL)

Designed to meet OSHA and NFPA standards

The embedded polymers will retain water for up to 8 hours of cooling relief

Made in USA

3M 8511 Particulate Respirator with N95 Mask Exhalation Valve Unit of Measure:10/Box Two sizes: Handles for ballDetails NIOSH approved for at least 95 percent filtration efficiency against certain non oil based particles 3M Cool Flow Exhalation Valve helps reduce heat build up inside the respirator M Noseclip adjusts easily for fewer pressure points and greater comfort. Braided headbands two strap design with dual point attachment helps provide a secure seal 3M Cool Flow Exhalation Valve reduces heat build up inside the respirator Spacious and durable Designed