The present invention relates to an isothermal cell to be mounted inside a van (1). The lower part is made in the form of a tank which is positioned between the passages of the wheel (5). The lateral panels (11) fit into rabbets (13) provided on the lateral edges (14) of the upper panel (8) and bear against the lateral walls (4) of the body (2). The lateral panels (11) are made in one piece with the panels of which have the walls of the stop is fitted against the surfaces delimiting the opening of the door.
展开▼