Love this Easy Breathing Nano Fiber Mask (KF94 and N95 alternative mask)
Awesome Nano Filter Tech! Highly comfortable and perfect tight fit to my face contour. Extremely easy breathing, especially if you compared this with the traditional Korea KF94 and N95 (USA Standard).
I am a nurse and need to wear this for many hours a day. The easy breathe feature is critical for me to keep fresh in the long working hours. (This is in great contrast to the traditional N95 mask which is very difficult to breath and become feeling exhausted even after a very short period of usage.)
Will definitely buy more for my friends and family. Thanks for the FAST delivery also.