A Quick Guide to N95, KN95, and Surgical Masks | GUARDIAN RFID
May 01, 2020·What is a KN95 mask? The KN95 is the Chinese standard for filtering facepiece respirators. KN95 has nearly identical performance standards as the U.S. N95, but is not regulated by the National Institute for Occupational Safety and Health (NIOSH).. Specifically, KN95s are form-fitting masks with the same filter efficiency performance as the American N95 standard.