Ultra Fluid Resistant Mask Super Filtration, Fluid Resistant, Level 3 Medical face mask, Type IIR - EN14683, features include: Specialized nonwoven material structure featuring a three-ply, pleated construction style to optimize lightness of fit, breathability, and fluid resistance 100% latex-free 99% Bacterial & Particulate Filtration Efficiency (BFE/PFE) Ultrasonic bonding for enhanced durability Malleable nosepiece for adjustability and comfort Elastic earloops for easy donning and a secure fit Manufacturing certified ISO 9001 for Quality Management Systems Manufacturing certified ISO 13485 for Quality Management Systems for Medical Device