The invention relates to a container (1) comprising at least one connection opening (3, 4) and at least one connection part (6, 8), wherein grooves (12) and engaging elements (10) are provided as interacting connection elements to connect the container (1) and the connection part (6, 8), and in the connected state a respective engaging element (10) is arranged in a receiving portion (14) of a groove (12), which receiving portion is arranged substantially perpendicular to a longitudinal axis (2′) of the container (1), wherein the container (1) and the connection part (4, 6) have run-on elements (9a, 9b) with run-on surfaces (9c) which run obliquely with respect to the longitudinal axis (2′) of the container, which run-on surfaces interact by means of rotational movement between the container (1) and the connection part (6, 8), in such a way that the engaging elements (10) can be moved out of the receiving portion (14) of the respective groove (12) and, in a rotated position, the engaging connection between the container (1) and the connection part (6, 8) is released.
