Housing and filter system having a housing

A filter system (100) having a housing (110) according to any one of the preceding claims, the housing (110) being configured for receiving a filter element (10) for filtering of a fluid, comprising along a longitudinal axis (A)

• a housing body (112);
• a mating housing cover (114);
• a fluid outlet (102) for evacuating the filtered fluid from the housing (110);
• a fluid inlet (104) for feeding the raw fluid into the housing (110);
• wherein a push-twist structure (120) is provided for connecting the housing body (112) and the housing cover (114) by way of a push-twist mount, the push-twist structure (120) having mating push-twist elements (122, 124) on the housing body (112) and the housing cover (114);
• wherein an anti-rotation lock structure (160) is provided for securing the push-twist structure (120) in its closed position in an anti-rotation lock manner;
• wherein the anti-rotation lock structure (160) provides at least one anchor portion (162) arranged along the circumference of the outer one of the housing body (112) and the housing cover (114);
• wherein a clip element (170) is provided for connecting to the anchor portion (162);
• and
• wherein the clip element (170) and the anchor portions (162) are configured so that the clip element (170) is to be mounted to the anchor portion (162) in a predominantly circumferential mounting direction.