KN95 masks
KN95 is a Chinese standard mask
KN95 respirator is a kind of respirator with filtration efficiency of particulate matter in our country
KN95 masks and N95 masks are virtually the same in terms of particulate filtration efficiency
Link to this article：What is KN95 1
Reprint Statement: If there are no special instructions, all articles on this site are original. Please indicate the source for reprinting.：Silicone And Casting，Thanks！^^
