[Pack of 240 BOX] NIOSH Certified, BYD N95 Facemasks N95 Face mask with filter. >95% Filtration efficiency against solid and liquid aerosols free of oil. Two strap design helps provide a secure seal. The straps on the respirator are completely latex-free. Aluminum Nose Clip Very close facial fit. Nose foam cushioning with adjustable metal nosepiece for comfort. Designed with ultrasonic welding technology for maximum comfort. Very comfortable face masks for long-term wear. Material: High-efficiency electrostatic filter cotton & melt blown non-woven fabric. Glue-free and odorless face mask. NIOSH approved N95 masks. CE Certified Masks. Our N95 face masks have been manufactured to EEA standards, and are used by hospitals, medical facilities and health professionals.