| 摘要 |
Disclosed is a filter device comprising: a housing including an inlet hole in which contaminated raw water is introduced and an outlet hole in which filtered fluid is discharged; at least one filter element which filters the contaminated raw water inside the housing; and a washing means which is sequentially connected through a connection hole with respect to respectively at least one filter element, and respectively washes at least one filter element. The washing means comprises a blocking member which blocks the introduction of the contaminated raw water into an opening unit of the filter element to be washed. |
