Provides a minimum of 95% filter efficiency against solid and non-oil based aerosol particulates for excellent worker protection. Lightweight constructions help promote greater worker acceptance for all-day wear. It has adjustable M-noseclip to help provide a custom fit and secure seal. Cool Flow™ exhalation valve reduces hot air build-up and keeps worker cooler. Braided headband provides comfort and durability. Work applications include grinding, sanding, bagging and other hot, humid and dusty environments. NIOSH Approved. 10 per box. 8 boxes per case. Sold by the box.