3M Cool Flow Sanding and Fiberglass Valved Respirator ( 10 Pack) Part of the 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 hanging drywall or sanding a floor, rely on the trusted protection of the 3M Cool Flow Valve Particulate Respirator 8511 NIOSH-APPROVED N95 for at least 95 percent filtration efficiency against certain non-oil-based particles and aerosols 3M? COOL FLOW? EXHALATION VALVE helps direct exhaled air downward and allows for easy breathing UP TO 50% EASIER BREATHING. Compared to non-valved 3M? 8200 Testing ADVANCED FILTER MEDIA for easy breathing ADJUSTABLE M-NOSECLIP helps provide a custom and secure seal STRETCHABLE, BRAIDED HEADBANDS for comfort LIGHTWEIGHT DESIGN for comfort COMFORTABLE for long periods of wear CONVENIENT, DISPOSABLE DESIGN RECOMMENDED FOR relief from dusts and certain particles encountered during sanding projects (bare wood, non-lead painted surfaces, or drywall), grinding, sawing, sweeping, installation of fiberglass insulation ALSO HELPS FILTER pollen, mold spores and dust particles encountered during outdoor activities such as gardening, cutting firewood, raking, and mowing Contains no components made from natural rubber latex Package contents: 10 DIY/Home Use: Use ONLY in NON-HARMFUL environments. Occupational/Hazardous Use: Use under a regulated government (e.g. OSHA) respiratory protection program. WARNING: Limitations apply; Misuse may result in sickness or death. See product packaging and insert or call 3M in USA at 1-800-243-4630. In Canada, call 1-800-267-4414 (description exceeds maximum possible length)