| 摘要 |
PROBLEM TO BE SOLVED: To provide a cover which can be replaceably attached to an outer air inlet of a commercial respiration protector or dust protective mask to lengthen performance with respect to a large amount of dust in a relatively large particle diameter, the cover preventing water droplets containing the dust from adhering to a filter, prompting the dust accumulated in the filter to drop, and lengthening the performance of the filter and the respiration protector.SOLUTION: The cover of a respiration protector protects a filter attached to an outer air inlet of a respiration protector, covers the filter attached to the outer air inlet of the respiration protector, and includes brushes which are planted on an inner side of the cover and include tips in contact with the filter. |
