Surgical Grade Masks. Latex free. Easy to breath through. Soft, odorless, non-irritating. Protects against frigid winter air. Filters out: Dust. Bacteria. Pollen. Protects against non-toxic dust, powders, pollen and other common airborne irritants. Ideal for sweeping, sanding, jogging, raking, hiking and dozens of other practical uses: Lawn mowing. Infant care. Winter jogging. House work. Garden weeding. Flents - Quality Products Since 1927.