Containment system for a substance in liquid or particulate form

A containment system for a substance in liquid or particulate form, said system comprising juxtaposed collection containers and at least one connection bracket having locking elements, in which the bracket comprises:

• a flattened base;
• and
• locking means comprising at least two locking elements, protruding from two respective ends of the base;
• and in which each container has a polygonal plan and comprises:
• a support base confined by edges;
• side walls;
• and
• a grill, present on the opposite side to the support base and resting on the walls;
• in which said support base presents on the support base's outer surface at least one groove that comes out on at least one edge of the support base, said groove having at least one indented housing having a plan shape equal to that of the locking elements, in which said housing is in proximity to one of said edges and in which said bracket has said first locking element inserted into the housing of a first container and said second locking element inserted into the housing of a second container, and
• in which at least two containers have at least one housing at the top of which there is a through bore.