Ultra micro filtration three-layer protection (waterproof layer + melt spray layer + skin friendly cotton), which can effectively block the spread of harmful suspended particles and droplets in the air. V-shaped mouth is designed for different nose types, which can effectively reduce nose leakage and fit various face types. In line with the national standard GB2626-2006 kn95, it is more effective to filter PM2.5 and other harmful substances in the air. Colors are currently available (white, blue, green, pink). If there is a large amount of custom requirements can be made according to a variety of colors of the mouth, intimate design more comfortable.

Attached with product picture and test report：