JSP Hard Hat ABS Shell Faceshield ANSI 280 EVSV Size:OS soldering• NIOSH approved for at 60 Ft Traverse horizontal lifeline system soldering• NIOSH approved for at least 95% percent filtration efficiency against certain non oil based particles• Recommended for welding and operations in which metal fumes may be present• Cake resistant filter layers reduce the caking of particles on the respirator surface• Adjustable noseclip helps provide a custom secure seal• 3M™ Cool Flow™ Exhalation Valve helps reduce heat build up inside the respirator• Advanced Electret Media is designed for ease of breathing• Qty: 10 per box Two Lower Outside Pockets with Flaps and Grommets Its 6 point suspension system ensures a comfortable fit making it suitable for various industrial applications