What is the difference between N95 masks and 3M masks

1.3M is a brand name for masks

All 3M companies can be called 3M masks. There are different types of masks under the brand: such as warm masks, anti-particulate masks (dust-proof masks), medical protective masks and medical surgical masks.

There are different types of masks under 3M masks, such as 3M 9002 (headband type, KN90), 3M 9001 (earband type, KN90), 3M 9002V (headband type, with valve, KN90), 3M 9502 (KN95), 3M 8205 (cup style, KN95) and so on.

2.N95 is a mask certification standard