Conform to national standard GB2626-2006, KN95 level, passed LA certification

Mask material: in line with US FDA standards, non-toxic and odorless, making the facial skin healthier and breathing safer;
Mask contour: designed according to the contour of the human face, 360° fully sealed and close to the face for protection;

Wearing: Personalized design of the wearing object, the elastic state can be adjusted freely, and it is comfortable to wear;

Breathable: patented BWK air supply valve, fast air supply, stronger air permeability;

Filter cotton fixed box: can be recycled, just replace the dust-proof ultra-filter.

Packing: (1 set/box 18 boxes/piece)

For protection against non-oily particles and dust