Filter cassette for aquarium filters

Abstract

This product is a filter cassette for an aquarium filter, designed to be incorporated into an aquarium filter that is mounted on top of the aquarium frame. Specifically, this product consists of an integrated cassette structure made up of a front upper plate, a front lower plate, a back plate, side plates, and a bottom plate, with each plate surface and its attached grid frame forming an internal filter holding space. A large, multi-layered mat filter is housed and held upright in this filter holding space (see Reference Figures 1 and 2 for the filter holding and housing state). This product, with the filter housed inside, is combined with an aquarium filter having a main body top lid and a main body container, as shown in the exploded reference figures 1 and 2 of the usage configuration example, or the BB position cross-sectional reference figure of the combined usage configuration. The aquarium filter configured in this way is used by hanging it on the upper edge of one side of the aquarium, as shown in the reference figure for the filter installation state example. After installation as an external hang-on filter, activating the filter's water supply device draws water from the tank into the filter's container. The drawn-in water is then filtered by the mat filter housed within this product, and the filtered water is discharged back into the tank from the main unit's outlet. The mat filter, filter, and tank are not included with this product.

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