Sanding and Fiberglass Respirators With Cool Flow Valve 10 Pack Safety, hygiene and emergency response professionals need products that enhance and improve their respiratory protection programs, while wearers want comfort and performance. 3M offers the best of both worlds. Features: Sanding and fiberglass respirator Cool Flow™ valve Valve technology for heat reduction and easier breathing NIOSH approved N95 Use for sanding, grinding, sawing and insulating projects 10 per box Specifications: Length: 6.3" Width: 8.5" Height: 5" 3M is fundamentally a science-based company. We produce thousands of imaginative products, and we're a leader in scores of markets - from health care and highway safety to office products and abrasives and adhesives. Our success begins with our ability to apply our technologies - often in combination - to an endless array of real-world customer needs. Of course, all of this is made possible by the people of 3M and their singular commitment to make life easier and better for people around the world.