NIOSH approved N95 for at least 95% filtration efficiency against solid and liquid aerosols that do not contain oil. Advanced electrostatically charged microfibers which make breathing easier and cooler. Comfortable to wear and lightweight construction. Adjustable noseclip provides a custom fit and secure feal. Reduces the potential for eyewear fogging. Safety Products. Grinding. Sanding. Sweeping. Bagging. Other dusty operations. Woodworking. Foundries.