| 摘要 |
PURPOSE: A cover for a dust mask is provided to maintain agreeable wearing sensation and to improve safety. CONSTITUTION: A cover for a dust mask comprises an discharge flap part which discharges internal air to the outside, a main body(20) which is combined with a purification filter part and covers mouth and nose, and a face contact part(50) which surrounds the edge of the main body and touches the face of a wearer. The purification filter part purifies external air and sends the purified air into a mask. |
