8511PRO N95 Particulate RespiratorAdjustable M-noseclip to help provide a custom fit, secure faceseal and cool, dry comfort. Ideally suited for work settings that involve heat, humidity or long periods of wear. It features the 3M™ Cool Flow™ Exhalation Valve. Uniquely designed to help provide comfortable, reliable worker protection. Filtration Grade: N95; Protected Area: Half Facepiece; Resistance: Dusty Conditions; Suspension: Fixed Strap; Type: Respirator; Usage: Grinding, Sanding, Sweeping, Bagging, Dusty Operations.