3D split vault skeleton, even breathing even if you exercise
Large diameter cold flow breathing valve for smoother air circulation
Ultra-thin silicone valve, sensitive rebound, high airtightness
High-efficiency filtration of 5-layer filter material, environmentally-friendly polyurethane sponge material, preliminary filtration of large particle impurities such as pollen
PM0.3 protection. The mask uses disposable air-filter cartridges, which has an effective particle capture efficiency of up to 98 percent. It can protect users from Virus
Uses disposable air-filter cartridges, which has an effective particle capture efficiency of up to 98 percent. It can protect users from bacteria, pollen, and particles which are as small as 0.3 micrometers, which means it can achieve PM2.5 filtration
Collected thousands of Chinese peopleās data through ergonomic research. Itās fully enclosed three-dimensional structure on both sides of the bridge of the nose and chin