Disposable filtration cartridge

Claim 1

An aquarium filtration assembly including a receptacle in combination with an aquarium, said filtration assembly comprising a horizontally arranged perforated partition member spaced above bottom of said receptacle to define a fluid chamber between said receptacle bottom and said partition member, pumping means disposed in said receptacle in fluid communication with said fluid chamber for removing water therefrom and returning water to said aquarium, disposable filter cartridge means horizontally arranged within said receptacle above said partition member, said filter cartridge means comprising a casing provided with sidewalls extending upwardly from a bottom of said casing, a top portion of said casing pivotably connected to one of said casing sidewalls, said top portion being vertically arranged above said one casing sidewall, apertures provided in said casing bottom for passage of fluid therethrough, first filter media disposed within said casing above said apertured casing bottom and between said casing sidewalls, second filter media vertically supported against a surface of said vertically arranged casing top portion, said second filter media being disposed above and facing toward said first filter media disposed within said casing, said casing with said first filter media therein being supported by said horizontally arranged perforated partition member above said receptacle bottom with said second filter media being vertically supported by said casing top portion above said partition member, whereby fluid filtered by said first filter media and second filter media flows into said fluid chamber above said receptacle bottom and is removed from said fluid chamber by said pumping means and is returned by said pumping means to said aquarium.