KN95 is a standard Chinese mask.

KN95 respirator is a kind of respirator with particle filtration efficiency in our country.

KN95 mask and N95 mask are actually the same in terms of particle filtration efficiency.

KN95 is a Chinese standard mask, N95 is a U.S. standard N95 type mask is a NIOSH (National Institute for Occupational Safety and Health) certified one of the 9 particulate protective masks N95 is not a specific product name. As long as it meets the N95 standard and passes the NIOSH review, the product can be called a N95 mask, which can achieve a filtration efficiency of more than 95% for particles with an aerodynamic diameter of 0.075 m and 0.020 m.