Provides a minimum of 95% filter efficiency against solid and certain oil based aerosol particulates for excellent worker protection. An added carbon layer helps filter out nuisance levels (less than OSHA PEL) of ozone and organic vapors. It features the 3M™ Cool Flow™ Exhalation Valve which is the patented one-way valve offering easy exhalation for cooler dry comfort. The foam faceseal contours easily to help provide a good seal for a comfortable wear. Adjustable noseclip provides custom fit and secure seal reducing the potential for eyewear fogging. Work applications include grinding, sanding, bagging, machining and other dusty/oily operations. NIOSH Approved. 10 per box. 8 boxes per case. Sold by the box.