Part of our Pro Series, the 3M Cool Flow Valve Particulate Respirator 8511 is designed with the pro in mind to help bring you protection and comfort. The Cool Flow Exhalation Valve helps release warm and moist exhaled breath from inside the respirator. This N95 respirator features Advanced Electrostatic Media that enhances the capture of airborne particles and is designed for easy breathing. An adjustable M-noseclip helps provide a custom, secure seal. Whether you're mowing the lawn, hanging drywall or sanding a floor, rely on the trusted protection of the 3M Cool Flow Valve Particulate Respirator 8511.Our most popular valved disposable respirator, the 3M Cool Flow Valve Particulate Respirator is equipped with the 3M Cool Flow Valve, which helps release warm, exhaled breath from inside the respirator, helping to enhance your comfort during longer jobs. This N95 respirator features 3M Advanced Electrostatic Media that enhances the capture of airborne particles and is designed for easy breathing. This disposable respirator may be suitable for activities such as sanding, drywall cutting, sweeping, sawing, wood working, fiberglass insulating, yard work, grinding and dusting. An adjustable M-noseclip and stretchable headbands help provide a custom, secure seal. This respirator contains no components made from natural rubber latex. WARNING AND LIMITATIONS: General Public/DIY Use: Use ONLY in NON-HARMFUL environments or in accordance with air quality recommendations of your public health authority. Workplace/Occupational/Hazardous Use: Use under a government-compliant respiratory protection program (e.g. OSHA). WARNING: This respirator helps protect against certain particles. Misuse may result in sickness or death. For correct use, consult supervisor and User Instructions or call 3M in USA at 1-800-247-3941. In Canada, call 1-800-267-4414.