The invention relates to a medical fluid cassette and a medical hose set having a medical fluid cassette for receiving and/or carrying a medical fluid. The invention relates in particular to a blood hose set having a medical fluid cassette for the extracorporeal blood treatment. An easily manufactured insert having a clot filter is proposed, this insert being inserted or pushed into a receptacle, for example, a groove, in the interior of a chamber of the housing body of the medical fluid cassette.
