The Milwaukee N95 valved respirators are designed to stay cool while providing a better fit. The respirator valve reduces the construction mask's internal temperature by 10°F. The respirator masks feature two soft adjustable straps and a flexible nose bridge to achieve a better fit. The respirator masks are NIOSH N95 approved for non-harmful sanding， grinding， sawing and insulation particles.FeaturesStay coolValve reduces heat by 10-degrees FSoft adjustable strapsFlexible nose bridge for better fitNIOSH N95 approvedUse for sanding， grinding， and insulation particlesDownward angle vent reduces glasses fogLightweight design for extended wearValve promotes easier breathingThird-party testedSpecificationsApplication: SandingSize: AdultMaterial: PolypropyleneMeets OSHA StandardsAdjustable Securing StrapsWarrantypManufacturer's Defect Warranty/p