40 Made in USA face masks: Disposable, 3M & Cloth | finder.com
Dec 15, 2020·What’s the difference between a medical-grade and non-medical face mask? Medical-grade face masks such as N95, Kn95 and surgical masks are designed and tested for use in healthcare settings. These masks must comply with strict manufacturing and testing regulations set forth by the FDA, NIOSH and OSHA, depending on their intended use.