The Difference Between KF94 and KN95 Masks, Explained | The Strategist

The Difference Between KF94 and KN95 Masks, Explained | The Strategist: To find out the difference between KN95 and KF94 masks we talked to two epidemiologists and tested some out ourselves, including Powecom KN95 Face Mask and LG Health Care KF94 Non-Medical Mask Made in Korea.