The present invention relates to an internal cartridge for a malodor removal device, more particularly, to an internal cartridge for a malodor removal device having a structure in which the flow of air is smooth and the malodor removal and ventilation effect are excellent and the adsorbent is easily replaced, Cartridge. The present invention relates to an internal cartridge for a malodor removing apparatus which is provided inside an external cartridge provided between one end of a duct and the other end of a duct to remove odors contained in air passing through the duct, A tubular inner cartridge body mounted on the cartridge body； A tubular outer supporting network installed inside the inner cartridge body and having a smaller diameter than the inner cartridge body； A tubular inner supporting network provided inside the outer supporting network and having a smaller diameter than the outer supporting network； A lower plate installed below the outer support network and the inner support network； A connection leg connecting an outer circumferential surface of the lower plate and an inner circumferential surface of the inner cartridge body at a predetermined interval to form an inflow hole between a lower portion of the inner cartridge body and a lower portion of the outer support network and forming an inflow space at an upper portion of the inflow hole； An adsorption network interposed between the outer support network and the inner support network and having an adsorbent therein； And an upper cover detachably installed at an upper portion of the inner cartridge body and having a discharge hole formed at the center thereof and corresponding to an inner space of the inner supporting network.본 발명은 악취 제거 장치를 이루는 내부카트리지에 관한 것으로, 더욱 상세하게는 공기의 흐름이 원활하여 악취 제거 및 통풍 효과가 우수하고 흡착제의 교체가 용이하여 유지관리가 편리한 구조를 가진 악취 제거 장치용 내부카트리지에 관한 것이다. 이러한 본 발명은, 덕트의 일측 절개단과 타측 절개단의 사이에 설치된 외부카트리지의 내부에 설치되어 덕트를 통과하는 공기 속 포함된 악취를 제거하는 악취 제거 장치용 내부카트리지에 있어서, 상기 외부카트리지의 내부에 설치되는 관형상의 내부카트리지몸체； 상기
