Patent ID: 8453847

Claim:
A filter cartridge unit comprising: a first end plate and at least one second end plate, and a filter cartridge arranged between the end plates, wherein at least one of the first end plate and the second end plate comprises first flow openings, wherein the filter cartridge comprises second flow openings which correspond to the first flow openings, wherein an adhesive forms side edges of the filter cartridge which are not surrounded by the at least one of the first end plate and the second end plate, wherein the filter cartridge is fluid-tightly connected in a form-fitting manner to the end plates that are adjacent to and spaced apart by the filter cartridge with the adhesive in an entire circumferential subarea of contact surfaces of the filter cartridge that connect the filter cartridge with the adjacent end plates, and wherein the end plates comprise at least one of anchoring grooves in a subarea corresponding to the circumferential subarea, and an undercut slot, which is filled with the adhesive connected to the filter cartridge.