Made in Korea quadruple structure Airwind KF94 Mask 100piecesHigh density electrostatic filters effectively block harmful substances such as fine dust and yellow dust to protect the respiratory tract. It has a three dimensional design, so the mask does not touch the lips after wearing it, so it is hygienic and has a large internal space, so it is comfortable to wear it for a long time. Wired processing and functional built in nose wire gently adheres to the face when worn. The Airwind health mask uses