This disposable N95 particulate respirator features the proprietary 3M Cool Flow Valve and helps provide comfortable, reliable worker respiratory protection. It is ideally suited for hot/dusty work settings that require long periods of wear. If you have a 3M Particulate Respirator 8511 N95 and are concerned about the valve in connection with source control, then you can cover the interior valve hole with size 1.88 inch 3M Multi Use Duct Tape. This tape is a NIOSH-approved accessory for the model 8511 respirator. Your 3M 8511 respirator will retain its NIOSH N95 certification status as long as this tape is applied properly according to the User Instructions.

Product Features:

• NIOSH approved for at least 95 percent filtration efficiency against certain non-oil based particles
• 3M Cool Flow Exhalation Valve helps reduce heat build-up inside the respirator
• M-Noseclip adjusts easily for fewer pressure points and greater comfort
• Braided headbands two-strap design with dual point attachment helps provide a secure seal
• 3M Cool Flow Exhalation Valve reduces heat build-up inside the respirator
• Spacious and durable
• Designed to increase comfort and wearability
• Advanced Electret Media is designed for ease of breathing