Provides a minimum of 95% filter efficiency against solid and certain oil based aerosol particulates for excellent worker protection. 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 foundry operations, lab settings, agriculture, petrochemical manufacturing and undercoating where particles and nuisance levels* of organic vapors may be present. NIOSH Approved. 10 per box. 8 boxes per case. Sold by the box.