This disposable N95 particulate welding respirator helps provide respiratory protection for applications such as welding or soldering where metal fumes may be present. The 3M™ Cool Flow™ Valve and fully adjustable straps provide added comfort. Benefits Ideal for welding and metal pouring Cake resistant filter media and flame resistant per ASTM D2859 3M™ CoolFlow™ Valve Soft nose foam; adjustable noseclip and straps