3M masks are the brand logo, 3M is the company name and registered trademark, 3M masks are the masks produced by their company are called 3M products. According to the different use scope can be divided into medical masks, particulate protection masks, comfort and warmth masks three categories. Each type of mask has different protection focus. 3M medical protection mask is the main product used during the new crown this year, divided into domestic and imported masks, with the protection performance of medical surgical masks and particulate protection masks, dedicated in hospitals, can filter airborne particles, and stop droplets, blood, body fluids and secretions. 3M masks are 3M dust masks, in clinical N95 masks and 3M masks are available as medical masks. Content source: Dr. You Lai