2400 Series N95 Particulate Respirator Mask for Relief from Organic Vapors - with Exhale Valve-Suitable for Welding -Dura-Mesh Outer Shell - Dual Latex Head Straps Size: Medium / Large - 20 Per Box

Exhale valve lets workers breathe easy and stay cool. Added carbon layer helps filter out nuisance levels of ozone and organic vapors (less than OSHA PEL). Can be used against most welding fumes (free of oil). Fits easily under welding hoods. Dura-Mesh shell resists collapsing in heat and humidity. Molded nose bridge seals easily without a metal noseband. Facepiece is naturally contoured for less pressure.Straps are securely attached so they dont break at the seal. Softspun lining for increased comfort and durability. Soft foam nose cushion for added comfort. NIOSH certified to have a filter efficiency of 95% or greater for non-oil based particulates. Certified under 42CFR84. Meets heat and flame resistance in accordance with ANSI/ISEA 110-2009 Section 7.11.1. 100% PVC-Free, like all Moldex products & packaging - for a greener alternative.