Features: 1.Double-layer adaptive sealing ring, can be closed with light touch, without leaving marks on the face, and protect the dead corners such as the sides of the nose and chin. 2.It is more suitable for the contour of the face. - Good masks must have good filter materials. 3.Through electrostatic capture and physical barrier methods, 5 layers of enhanced protection and layer-by-layer filtering. 4.Can handle easily. - The Light anti-smog mask uses a larger filtering area to help improve filtering capacity and filtering speed, and captures small pollutants in large quantities. 5.The filter material passes the antibacterial test to help reduce secondary air pollution. - Description: 1.High efficiency filtration, large three-dimensional space, higher density 2.Using 3D ergonomic face three-dimensional cutting to modify the face shape Specifications: Grade:96% filtation Function: Anti-pollution Protection class: KF94 Life cycle: Non-disposable Applicable: Adult Material: Double layer meltblown Color:dark gray Protection level: KN95 (filter effect> 95%) Package Included: 1* Anti Pollution Mouth Mask