Designed for protection against non-oil based solids / liquids, the Moldex 2200 N95 Particulate Respirators are ideal for grinding, sanding, sweeping, and protection against microorganisms. They feature a Dura-Mesh shell that protects longer and resists collapsing in hot, humid conditions. Soft foam nose cushion seals tightly without pressure points or a metal noseband. NIOS approved N95 particulate respirator. 20 masks per box.