N95 Particulate RespiratorCool Flow™ Exhalation Valve is a patented one-way valve offering easy exhalation for cool, dry comfort. Cake-resistant filter media. Lightweight construction promotes greater worker comfort. Adjustable noseclip provides a custom fit, secure seal and reduces the potential for eyewear fogging. Filtration Grade: N95; Style: Half Facepiece; Suspension: Fixed Strap; Applications: Aluminum Smelting, Paper Processing, Brewing Operations, Glass Etching, Chemical Processing.