The KN95 and N95 masks offered by Brookwood Medical are both high-quality face masks that provide effective protection against airborne particles. The main difference between them lies in their respective certifications. The KN95 masks have been certified by a recognized authority in China, while the N95 masks have been certified by the National Institute for Occupational Safety and Health (NIOSH) in the USA. Rest assured, both options meet stringent standards and offer reliable protection.