1Builtin high electrostatic ultrafilter element, dustproof efficiency in line with China National Standard GB26262006 KN90. 2The mouth cover material complies with the US FDA standard, nontoxic and odorless, making facial skin healthier and breathing safer. 3The contour of the face cover is designed according to the human face, and it is fully sealed and protected by 360. 4Personalized design, can freely adjust the tightness of wearing, comfortable to wear. 5After carefully produced, fast air supply, good breathability, protect your health.
