FILTER CARTRIDGE WITH BACK FRESH FUNCTION

摘要

PURPOSE: A filter cartridge is provided to continuously and safely execute a filtering process without the replacement of a filter module and an inner filter medium. CONSTITUTION: A filter cartridge includes a main body(100) in which a water inflow port(110) and an outlet port(120) are formed, a guide rod(200) which is fixed and installed in the inner part of the main body, an air infusion pipe(300) which has an upper portion which is exposed towards the main body top, and a lower portion which is located in the inner part of the main body. A plurality of jet holes(410) are formed along the longitudinal direction. Both side terminals are fixed to the inner wall of the main body. A rod-type diffuser type diffuser(400) is connected to the lower end of the air infusion pipe.