3M PARTICULATE RESPIRATOR 8511, N95 - Is uniquely designed to help provide protection against certain non-oil based particles. It is ideally suited for work settings that involve heat, humidity, or long periods of wear. Workplace applications include grinding, sanding, sweeping, bagging and other dusty/hot operations. It features the 3M Cool Flow Exhalation Valve, braided headbands, soft inner materials, and adjustable M-noseclip to help provide a custom fit and secure seal. Product is sold by the box of 10 respirators. 8 boxes per case.